"You are an auditor for XBRL filings. \nGiven two concepts and the provided filing (schema, presentation, calculation, definition, label, instance, and US GAAP taxonomy),\ndetermine which one of the following erroneous relationship types best describes the relationship between the two concepts:\n\n(1) Reversal  \n    Definition: A relationship is flagged as Reversal when the filer\u2019s extension taxonomy redefines element hierarchy inconsistently with the US GAAP taxonomy. Specifically, this occurs when an element that should be a sibling in the US GAAP taxonomy is instead defined as a child of another element (or vice versa, a child element is incorrectly redefined as a sibling).\n\n(2) Inappropriateness  \n    Definition: A relationship is flagged as Inappropriateness when elements appear under an abstract category where they do not belong, contrary to the US GAAP taxonomy.\n\n(3) CombinationErr  \n    Definition: A relationship is flagged as CombinationErr when an axis in the filer\u2019s extension taxonomy is associated with inappropriate members not permitted by the US GAAP taxonomy.\n\nYou must reference the US GAAP taxonomy to retrieve and check the two concepts across the entire filing.\nOutput only one of the following labels exactly, chosen strictly from:\n[\"Reversal\", \"Inappropriateness\", \"CombinationErr\"].\n\nNo explanations. No extra text. Only the label.\n\n    \n##Schema document\nNone\n\n##Presentation linkbase document\n<?xml version='1.0' encoding='US-ASCII'?>\n<link:linkbase xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns:link=\"http://www.xbrl.org/2003/linkbase\" xsi:schemaLocation=\"http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd\"><link:roleRef roleURI=\"http://pbsv.com/role/ConsolidatedStatementsOfCashFlows\" xlink:href=\"pbsv-20231031.xsd#ConsolidatedStatementsOfCashFlows\" xlink:type=\"simple\"/>\n  <link:presentationLink xlink:type=\"extended\" xlink:role=\"http://pbsv.com/role/ConsolidatedStatementsOfCashFlows\" xlink:title=\"000007 - Statement - Consolidated Statements of Cash Flows\">\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementOfCashFlowsAbstract\" xlink:label=\"loc_us-gaapStatementOfCashFlowsAbstract_70008c\"/>\n    <link:loc 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xlink:label=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities_0f874d\"/>\n    <link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivitiesAbstract_228f88\" xlink:to=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities_0f874d\" order=\"10\" preferredLabel=\"http://www.xbrl.org/2003/role/totalLabel\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract\" xlink:label=\"loc_us-gaapNetCashProvidedByUsedInInvestingActivitiesAbstract_6eb54c\"/>\n    <link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivitiesAbstract_228f88\" xlink:to=\"loc_us-gaapNetCashProvidedByUsedInInvestingActivitiesAbstract_6eb54c\" order=\"11\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment\" xlink:label=\"loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment_bf63d4\"/>\n    <link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInInvestingActivitiesAbstract_6eb54c\" xlink:to=\"loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment_bf63d4\" order=\"12\" preferredLabel=\"http://www.xbrl.org/2009/role/negatedLabel\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireMarketableSecurities\" xlink:label=\"loc_us-gaapPaymentsToAcquireMarketableSecurities_4bc604\"/>\n    <link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInInvestingActivitiesAbstract_6eb54c\" 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<link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInInvestingActivitiesAbstract_6eb54c\" xlink:to=\"loc_us-gaapNetCashProvidedByUsedInFinancingActivitiesAbstract_be0952\" order=\"15\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock\" xlink:label=\"loc_us-gaapPaymentsForRepurchaseOfCommonStock_581cf7\"/>\n    <link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInFinancingActivitiesAbstract_be0952\" xlink:to=\"loc_us-gaapPaymentsForRepurchaseOfCommonStock_581cf7\" order=\"16\" preferredLabel=\"http://www.xbrl.org/2009/role/negatedLabel\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDividends\" 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<link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInFinancingActivitiesAbstract_be0952\" xlink:to=\"loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_74385e\" order=\"20\" preferredLabel=\"http://www.xbrl.org/2003/role/totalLabel\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\" xlink:label=\"loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_ac7b6f\"/>\n    <link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInFinancingActivitiesAbstract_be0952\" xlink:to=\"loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_ac7b6f\" order=\"21\" 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xlink:from=\"loc_pbsvCashPaidDuringThePeriodForAbstract_6b17b5\" xlink:to=\"loc_us-gaapIncomeTaxesPaid_145a71\" order=\"25\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPaidNet\" xlink:label=\"loc_us-gaapInterestPaidNet_9363cb\"/>\n    <link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_pbsvCashPaidDuringThePeriodForAbstract_6b17b5\" xlink:to=\"loc_us-gaapInterestPaidNet_9363cb\" order=\"26\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract\" xlink:label=\"loc_us-gaapCashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_4ab37b\"/>\n    <link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" 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xlink:label=\"loc_us-gaapProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_dafd0a\"/>\n    <link:presentationArc xlink:type=\"arc\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/parent-child\" xlink:from=\"loc_us-gaapCashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_4ab37b\" xlink:to=\"loc_us-gaapProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_dafd0a\" order=\"29\"/>\n  </link:presentationLink>\n  </link:linkbase>\n\n\n##Calculation linkbase document\n<?xml version='1.0' encoding='US-ASCII'?>\n<link:linkbase xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns:link=\"http://www.xbrl.org/2003/linkbase\" xsi:schemaLocation=\"http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd\"><link:roleRef roleURI=\"http://pbsv.com/role/ConsolidatedStatementsOfCashFlows\" 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xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation\" xlink:label=\"loc_us-gaapShareBasedCompensation\"/>\n    <link:calculationArc order=\"3\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities\" xlink:to=\"loc_us-gaapShareBasedCompensation\" xlink:type=\"arc\" weight=\"1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepreciationAndAmortization\" xlink:label=\"loc_us-gaapDepreciationAndAmortization\"/>\n    <link:calculationArc order=\"4\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities\" xlink:to=\"loc_us-gaapDepreciationAndAmortization\" xlink:type=\"arc\" weight=\"1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentIncomeInterest\" xlink:label=\"loc_us-gaapInvestmentIncomeInterest\"/>\n    <link:calculationArc order=\"5\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities\" xlink:to=\"loc_us-gaapInvestmentIncomeInterest\" xlink:type=\"arc\" weight=\"-1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable\" xlink:label=\"loc_us-gaapIncreaseDecreaseInAccountsReceivable\"/>\n    <link:calculationArc order=\"6\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities\" xlink:to=\"loc_us-gaapIncreaseDecreaseInAccountsReceivable\" xlink:type=\"arc\" weight=\"-1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets\" xlink:label=\"loc_us-gaapIncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets\"/>\n    <link:calculationArc order=\"7\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities\" xlink:to=\"loc_us-gaapIncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets\" xlink:type=\"arc\" weight=\"-1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOperatingLiabilities\" xlink:label=\"loc_us-gaapIncreaseDecreaseInOperatingLiabilities\"/>\n    <link:calculationArc order=\"8\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities\" xlink:to=\"loc_us-gaapIncreaseDecreaseInOperatingLiabilities\" xlink:type=\"arc\" weight=\"1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense\" xlink:label=\"loc_us-gaapOperatingLeaseRightOfUseAssetAmortizationExpense\"/>\n    <link:calculationArc order=\"9\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities\" xlink:to=\"loc_us-gaapOperatingLeaseRightOfUseAssetAmortizationExpense\" xlink:type=\"arc\" weight=\"1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities\" xlink:label=\"loc_us-gaapNetCashProvidedByUsedInInvestingActivities\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment\" xlink:label=\"loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment\"/>\n    <link:calculationArc order=\"10\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInInvestingActivities\" xlink:to=\"loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment\" xlink:type=\"arc\" weight=\"-1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireMarketableSecurities\" xlink:label=\"loc_us-gaapPaymentsToAcquireMarketableSecurities\"/>\n    <link:calculationArc order=\"11\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInInvestingActivities\" xlink:to=\"loc_us-gaapPaymentsToAcquireMarketableSecurities\" xlink:type=\"arc\" weight=\"-1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities\" xlink:label=\"loc_us-gaapNetCashProvidedByUsedInFinancingActivities\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock\" xlink:label=\"loc_us-gaapPaymentsForRepurchaseOfCommonStock\"/>\n    <link:calculationArc order=\"12\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInFinancingActivities\" xlink:to=\"loc_us-gaapPaymentsForRepurchaseOfCommonStock\" xlink:type=\"arc\" weight=\"-1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDividends\" xlink:label=\"loc_us-gaapPaymentsOfDividends\"/>\n    <link:calculationArc order=\"13\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapNetCashProvidedByUsedInFinancingActivities\" xlink:to=\"loc_us-gaapPaymentsOfDividends\" xlink:type=\"arc\" weight=\"-1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\" xlink:label=\"loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\"/>\n    <link:calculationArc order=\"14\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\" xlink:to=\"loc_us-gaapNetCashProvidedByUsedInOperatingActivities\" xlink:type=\"arc\" weight=\"1\"/>\n    <link:calculationArc order=\"15\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\" xlink:to=\"loc_us-gaapNetCashProvidedByUsedInInvestingActivities\" xlink:type=\"arc\" weight=\"1\"/>\n    <link:calculationArc order=\"16\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\" xlink:to=\"loc_us-gaapNetCashProvidedByUsedInFinancingActivities\" xlink:type=\"arc\" weight=\"1\"/>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\" xlink:label=\"loc_us-gaapEffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\"/>\n    <link:calculationArc order=\"17\" xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/summation-item\" xlink:from=\"loc_us-gaapCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\" xlink:to=\"loc_us-gaapEffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\" xlink:type=\"arc\" weight=\"1\"/>\n  </link:calculationLink>\n  </link:linkbase>\n\n\n##Definition linkbase document\n<?xml version='1.0' encoding='US-ASCII'?>\n<link:linkbase xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns:link=\"http://www.xbrl.org/2003/linkbase\" xmlns:xbrldt=\"http://xbrl.org/2005/xbrldt\" xsi:schemaLocation=\"http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd\"><link:arcroleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension\" arcroleURI=\"http://xbrl.org/int/dim/arcrole/hypercube-dimension\"/>\n  <link:arcroleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain\" arcroleURI=\"http://xbrl.org/int/dim/arcrole/dimension-domain\"/>\n  <link:arcroleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member\" arcroleURI=\"http://xbrl.org/int/dim/arcrole/domain-member\"/>\n  <link:arcroleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/2005/xbrldt-2005.xsd#all\" arcroleURI=\"http://xbrl.org/int/dim/arcrole/all\"/>\n  <link:arcroleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll\" arcroleURI=\"http://xbrl.org/int/dim/arcrole/notAll\"/>\n  <link:arcroleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default\" arcroleURI=\"http://xbrl.org/int/dim/arcrole/dimension-default\"/>\n  <link:roleRef roleURI=\"http://pbsv.com/role/ConsolidatedStatementsOfCashFlows\" xlink:href=\"pbsv-20231031.xsd#ConsolidatedStatementsOfCashFlows\" xlink:type=\"simple\"/>\n  <link:definitionLink xlink:type=\"extended\" xlink:role=\"http://pbsv.com/role/ConsolidatedStatementsOfCashFlows\" xlink:title=\"000007 - Statement - Consolidated Statements of Cash Flows\"/>\n  </link:linkbase>\n\n\n##Label linkbase document\n<?xml version='1.0' encoding='UTF-8'?>\n<link:linkbase xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns:link=\"http://www.xbrl.org/2003/linkbase\" xsi:schemaLocation=\"http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd\"><link:roleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel\" roleURI=\"http://www.xbrl.org/2009/role/negatedLabel\"/>\n  <link:roleRef xlink:type=\"simple\" roleURI=\"http://www.xbrl.org/2009/role/negatedPeriodEndLabel\" xlink:href=\"http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel\"/>\n  <link:roleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel\" roleURI=\"http://www.xbrl.org/2009/role/negatedPeriodStartLabel\"/>\n  <link:roleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel\" roleURI=\"http://www.xbrl.org/2009/role/negatedTotalLabel\"/>\n  <link:roleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel\" roleURI=\"http://www.xbrl.org/2009/role/negatedNetLabel\"/>\n  <link:roleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel\" roleURI=\"http://www.xbrl.org/2009/role/negatedTerseLabel\"/>\n  <link:roleRef xlink:type=\"simple\" xlink:href=\"http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel\" roleURI=\"http://www.xbrl.org/2009/role/netLabel\"/>\n  <link:labelLink xlink:type=\"extended\" xlink:role=\"http://www.xbrl.org/2003/role/link\"><link:loc xlink:type=\"locator\" xlink:href=\"pbsv-20231031.xsd#pbsv_TreasuryStocksMember\" xlink:label=\"pbsv_TreasuryStocksMember\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"pbsv_TreasuryStocksMember\" xlink:to=\"pbsv_TreasuryStocksMember_lbl_ecaf3d\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"pbsv_TreasuryStocksMember_lbl_ecaf3d\" xml:lang=\"en-US\">Treasury Stock</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxesPaid\" xlink:label=\"us-gaap_IncomeTaxesPaid\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_IncomeTaxesPaid\" xlink:to=\"us-gaap_IncomeTaxesPaid_lbl_5f03ac\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_IncomeTaxesPaid_lbl_5f03ac\" xml:lang=\"en-US\">Income taxes</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"pbsv-20231031.xsd#pbsv_IncomeTaxWithheldByClientsToBeUsedAsACreditInTheCompanySIncomeTaxReturns\" xlink:label=\"pbsv_IncomeTaxWithheldByClientsToBeUsedAsACreditInTheCompanySIncomeTaxReturns\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"pbsv_IncomeTaxWithheldByClientsToBeUsedAsACreditInTheCompanySIncomeTaxReturns\" xlink:to=\"pbsv_IncomeTaxWithheldByClientsToBeUsedAsACreditInTheCompanySIncomeTaxReturns_lbl_9fcf0a\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"pbsv_IncomeTaxWithheldByClientsToBeUsedAsACreditInTheCompanySIncomeTaxReturns_lbl_9fcf0a\" xml:lang=\"en-US\">Income tax withheld by clients to be used as a credit in the Company's income tax returns</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"pbsv-20231031.xsd#pbsv_CashPaidDuringThePeriodForAbstract\" xlink:label=\"pbsv_CashPaidDuringThePeriodForAbstract\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"pbsv_CashPaidDuringThePeriodForAbstract\" xlink:to=\"pbsv_CashPaidDuringThePeriodForAbstract_lbl_05b600\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"pbsv_CashPaidDuringThePeriodForAbstract_lbl_05b600\" xml:lang=\"en-US\">Cash paid during the period for:</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss\" xlink:label=\"us-gaap_NetIncomeLoss\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetIncomeLoss\" xlink:to=\"us-gaap_NetIncomeLoss_lbl_3f69c1\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetIncomeLoss\" xlink:to=\"us-gaap_NetIncomeLoss_lbl_10\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetIncomeLoss\" xlink:to=\"us-gaap_NetIncomeLoss_lbl_3b6925\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetIncomeLoss\" xlink:to=\"us-gaap_NetIncomeLoss_lbl_dfae37\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/totalLabel\" xlink:label=\"us-gaap_NetIncomeLoss_lbl_3f69c1\" xml:lang=\"en-US\">NET INCOME</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_NetIncomeLoss_lbl_10\" xml:lang=\"en-US\">[Net Income (Loss) Attributable to Parent]</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/verboseLabel\" xlink:label=\"us-gaap_NetIncomeLoss_lbl_3b6925\" xml:lang=\"en-US\">NET INCOME</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/terseLabel\" xlink:label=\"us-gaap_NetIncomeLoss_lbl_dfae37\" xml:lang=\"en-US\">NET INCOME</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract\" xlink:label=\"us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract\" xlink:to=\"us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl_ad9c4c\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl_ad9c4c\" xml:lang=\"en-US\">CASH FLOWS FROM OPERATING ACTIVITIES:</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract\" xlink:label=\"us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract\" xlink:to=\"us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl_0754f9\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl_0754f9\" xml:lang=\"en-US\">SUPPLEMENTARY SCHEDULES OF NON-CASH INVESTING AND FINANCING ACTIVITIES:</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\" xlink:label=\"us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\" xlink:to=\"us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_48e640\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_48e640\" xml:lang=\"en-US\">EFFECT OF EXCHANGE RATE CHANGES ON CASH</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember\" xlink:label=\"us-gaap_CommonStockMember\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_CommonStockMember\" xlink:to=\"us-gaap_CommonStockMember_lbl_5e2a4f\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_CommonStockMember_lbl_5e2a4f\" xml:lang=\"en-US\">Common Stock</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities\" xlink:label=\"us-gaap_NetCashProvidedByUsedInOperatingActivities\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetCashProvidedByUsedInOperatingActivities\" xlink:to=\"us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_7f53c7\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetCashProvidedByUsedInOperatingActivities\" xlink:to=\"us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_11\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/totalLabel\" xlink:label=\"us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_7f53c7\" xml:lang=\"en-US\">NET CASH PROVIDED BY OPERATING ACTIVITIES</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_11\" xml:lang=\"en-US\">[Net Cash Provided by (Used in) Operating Activities]</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentIncomeInterest\" xlink:label=\"us-gaap_InvestmentIncomeInterest\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_InvestmentIncomeInterest\" xlink:to=\"us-gaap_InvestmentIncomeInterest_lbl_570baa\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_InvestmentIncomeInterest\" xlink:to=\"us-gaap_InvestmentIncomeInterest_lbl_7\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2009/role/negatedLabel\" xlink:label=\"us-gaap_InvestmentIncomeInterest_lbl_570baa\" xml:lang=\"en-US\">Reinvested interests</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_InvestmentIncomeInterest_lbl_7\" xml:lang=\"en-US\">[Investment Income, Interest]</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsMember\" xlink:label=\"us-gaap_RetainedEarningsMember\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_RetainedEarningsMember\" xlink:to=\"us-gaap_RetainedEarningsMember_lbl_9fbacd\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_RetainedEarningsMember_lbl_9fbacd\" xml:lang=\"en-US\">Retained Earnings</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOperatingLiabilities\" xlink:label=\"us-gaap_IncreaseDecreaseInOperatingLiabilities\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_IncreaseDecreaseInOperatingLiabilities\" xlink:to=\"us-gaap_IncreaseDecreaseInOperatingLiabilities_lbl_be7fd5\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_IncreaseDecreaseInOperatingLiabilities_lbl_be7fd5\" xml:lang=\"en-US\">Decrease in liabilities</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalMember\" xlink:label=\"us-gaap_AdditionalPaidInCapitalMember\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_AdditionalPaidInCapitalMember\" xlink:to=\"us-gaap_AdditionalPaidInCapitalMember_lbl_12630d\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_AdditionalPaidInCapitalMember_lbl_12630d\" xml:lang=\"en-US\">Additional Paid-In Capital</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable\" xlink:label=\"us-gaap_IncreaseDecreaseInAccountsReceivable\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_IncreaseDecreaseInAccountsReceivable\" xlink:to=\"us-gaap_IncreaseDecreaseInAccountsReceivable_lbl_7515cb\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_IncreaseDecreaseInAccountsReceivable_lbl_7515cb\" xml:lang=\"en-US\">Decrease (increase) in accounts receivable</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions\" xlink:label=\"us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions\" xlink:to=\"us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_lbl_339af1\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_lbl_339af1\" xml:lang=\"en-US\">Conversion of cashless exercise of options to shares of common stock</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment\" xlink:label=\"us-gaap_PaymentsToAcquirePropertyPlantAndEquipment\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_PaymentsToAcquirePropertyPlantAndEquipment\" xlink:to=\"us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_0ff249\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_PaymentsToAcquirePropertyPlantAndEquipment\" xlink:to=\"us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_13\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2009/role/negatedLabel\" xlink:label=\"us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_0ff249\" xml:lang=\"en-US\">Acquisition of property and equipment</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_13\" xml:lang=\"en-US\">[Payments to Acquire Property, Plant, and Equipment]</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember\" xlink:label=\"us-gaap_AccumulatedOtherComprehensiveIncomeMember\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_AccumulatedOtherComprehensiveIncomeMember\" xlink:to=\"us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl_1a6fa0\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl_1a6fa0\" xml:lang=\"en-US\">Accumulated Other Comprehensive Income (Loss)</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense\" xlink:label=\"us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense\" xlink:to=\"us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_lbl_ca8ca1\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_lbl_ca8ca1\" xml:lang=\"en-US\">Amortization of operating lease right-of-use</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepreciationAndAmortization\" xlink:label=\"us-gaap_DepreciationAndAmortization\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_DepreciationAndAmortization\" xlink:to=\"us-gaap_DepreciationAndAmortization_lbl_826307\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_DepreciationAndAmortization_lbl_826307\" xml:lang=\"en-US\">Depreciation and amortization</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SupplementalCashFlowInformationAbstract\" xlink:label=\"us-gaap_SupplementalCashFlowInformationAbstract\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_SupplementalCashFlowInformationAbstract\" xlink:to=\"us-gaap_SupplementalCashFlowInformationAbstract_lbl_c14cc6\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_SupplementalCashFlowInformationAbstract_lbl_c14cc6\" xml:lang=\"en-US\">SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock\" xlink:label=\"us-gaap_PaymentsForRepurchaseOfCommonStock\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_PaymentsForRepurchaseOfCommonStock\" xlink:to=\"us-gaap_PaymentsForRepurchaseOfCommonStock_lbl_6ef3f9\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_PaymentsForRepurchaseOfCommonStock\" xlink:to=\"us-gaap_PaymentsForRepurchaseOfCommonStock_lbl_17\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2009/role/negatedLabel\" xlink:label=\"us-gaap_PaymentsForRepurchaseOfCommonStock_lbl_6ef3f9\" xml:lang=\"en-US\">Repurchase of common stock</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_PaymentsForRepurchaseOfCommonStock_lbl_17\" xml:lang=\"en-US\">[Payments for Repurchase of Common Stock]</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\" xlink:label=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\" xlink:to=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_16b80e\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\" xlink:to=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_cf8230\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents\" xlink:to=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_5ab318\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_16b80e\" xml:lang=\"en-US\">Cash and cash equivalents</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/periodStartLabel\" xlink:label=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_cf8230\" xml:lang=\"en-US\">CASH AND CASH EQUIVALENTS - BEGINNING OF YEAR</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/periodEndLabel\" xlink:label=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_5ab318\" xml:lang=\"en-US\">CASH AND CASH EQUIVALENTS - END OF YEAR</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDividends\" xlink:label=\"us-gaap_PaymentsOfDividends\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_PaymentsOfDividends\" xlink:to=\"us-gaap_PaymentsOfDividends_lbl_62d5ab\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_PaymentsOfDividends\" xlink:to=\"us-gaap_PaymentsOfDividends_lbl_18\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_PaymentsOfDividends\" xlink:to=\"us-gaap_PaymentsOfDividends_lbl_52e3d6\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2009/role/negatedLabel\" xlink:label=\"us-gaap_PaymentsOfDividends_lbl_62d5ab\" xml:lang=\"en-US\">Cash dividends paid to shareholders</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_PaymentsOfDividends_lbl_18\" xml:lang=\"en-US\">[Payments of Dividends]</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/verboseLabel\" xlink:label=\"us-gaap_PaymentsOfDividends_lbl_52e3d6\" xml:lang=\"en-US\">Dividend paid</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementOfCashFlowsAbstract\" xlink:label=\"us-gaap_StatementOfCashFlowsAbstract\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_StatementOfCashFlowsAbstract\" xlink:to=\"us-gaap_StatementOfCashFlowsAbstract_lbl_2b9115\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_StatementOfCashFlowsAbstract_lbl_2b9115\" xml:lang=\"en-US\">Consolidated Statements of Cash Flows</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract\" xlink:label=\"us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract\" xlink:to=\"us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl_46f5ee\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl_46f5ee\" xml:lang=\"en-US\">CASH FLOWS FROM INVESTING ACTIVITIES:</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis\" xlink:label=\"us-gaap_StatementEquityComponentsAxis\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_StatementEquityComponentsAxis\" xlink:to=\"us-gaap_StatementEquityComponentsAxis_lbl_870f9c\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_StatementEquityComponentsAxis_lbl_870f9c\" xml:lang=\"en-US\">Statement Equity Components [Axis]</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\" xlink:label=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\" xlink:to=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_3fc6fb\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect\" xlink:to=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_21\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/totalLabel\" xlink:label=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_3fc6fb\" xml:lang=\"en-US\">NET DECREASE IN CASH AND CASH EQUIVALENTS</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_21\" xml:lang=\"en-US\">[Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect]</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPaidNet\" xlink:label=\"us-gaap_InterestPaidNet\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_InterestPaidNet\" xlink:to=\"us-gaap_InterestPaidNet_lbl_3ce808\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_InterestPaidNet_lbl_3ce808\" xml:lang=\"en-US\">Interest</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation\" xlink:label=\"us-gaap_ShareBasedCompensation\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_ShareBasedCompensation\" xlink:to=\"us-gaap_ShareBasedCompensation_lbl_89f6bf\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_ShareBasedCompensation\" xlink:to=\"us-gaap_ShareBasedCompensation_lbl_94dc93\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_ShareBasedCompensation_lbl_89f6bf\" xml:lang=\"en-US\">STOCK-BASED COMPENSATION</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/verboseLabel\" xlink:label=\"us-gaap_ShareBasedCompensation_lbl_94dc93\" xml:lang=\"en-US\">Stock-based compensation</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireMarketableSecurities\" xlink:label=\"us-gaap_PaymentsToAcquireMarketableSecurities\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_PaymentsToAcquireMarketableSecurities\" xlink:to=\"us-gaap_PaymentsToAcquireMarketableSecurities_lbl_853a04\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_PaymentsToAcquireMarketableSecurities\" xlink:to=\"us-gaap_PaymentsToAcquireMarketableSecurities_lbl_14\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2009/role/negatedLabel\" xlink:label=\"us-gaap_PaymentsToAcquireMarketableSecurities_lbl_853a04\" xml:lang=\"en-US\">Marketable securities investment, net</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_PaymentsToAcquireMarketableSecurities_lbl_14\" xml:lang=\"en-US\">[Payments to Acquire Marketable Securities]</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities\" xlink:label=\"us-gaap_NetCashProvidedByUsedInInvestingActivities\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetCashProvidedByUsedInInvestingActivities\" xlink:to=\"us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_dad1d3\" xlink:type=\"arc\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetCashProvidedByUsedInInvestingActivities\" xlink:to=\"us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_15\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/totalLabel\" xlink:label=\"us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_dad1d3\" xml:lang=\"en-US\">NET CASH USED IN INVESTING ACTIVITIES</link:label>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_15\" xml:lang=\"en-US\">[Net Cash Provided by (Used in) Investing Activities]</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets\" xlink:label=\"us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets\" xlink:to=\"us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl_524eb4\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl_524eb4\" xml:lang=\"en-US\">Decrease in prepaids and other assets</link:label>\n    <link:loc xlink:type=\"locator\" xlink:href=\"https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract\" xlink:label=\"us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract\"/>\n    <link:labelArc xlink:arcrole=\"http://www.xbrl.org/2003/arcrole/concept-label\" xlink:from=\"us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract\" xlink:to=\"us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl_211ffa\" xlink:type=\"arc\"/>\n    <link:label xlink:type=\"resource\" xlink:role=\"http://www.xbrl.org/2003/role/label\" xlink:label=\"us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl_211ffa\" xml:lang=\"en-US\">CASH FLOW FROM FINANCING ACTIVITIES:</link:label>\n    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contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_373\" unitRef=\"USD\">71645</us-gaap:ShareBasedCompensation>\n\t<us-gaap:DepreciationAndAmortization contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_374\" unitRef=\"USD\">48086</us-gaap:DepreciationAndAmortization>\n\t<us-gaap:DepreciationAndAmortization contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_375\" unitRef=\"USD\">51107</us-gaap:DepreciationAndAmortization>\n\t<us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_596\" unitRef=\"USD\">146235</us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense>\n\t<us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_597\" unitRef=\"USD\">137284</us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense>\n\t<us-gaap:InvestmentIncomeInterest contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_376\" unitRef=\"USD\">320077</us-gaap:InvestmentIncomeInterest>\n\t<us-gaap:InvestmentIncomeInterest contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_377\" unitRef=\"USD\">0</us-gaap:InvestmentIncomeInterest>\n\t<us-gaap:IncreaseDecreaseInAccountsReceivable contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_378\" unitRef=\"USD\">1093246</us-gaap:IncreaseDecreaseInAccountsReceivable>\n\t<us-gaap:IncreaseDecreaseInAccountsReceivable contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_379\" unitRef=\"USD\">-463323</us-gaap:IncreaseDecreaseInAccountsReceivable>\n\t<us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_380\" unitRef=\"USD\">-105132</us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets>\n\t<us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_381\" unitRef=\"USD\">686848</us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets>\n\t<us-gaap:IncreaseDecreaseInOperatingLiabilities contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_382\" unitRef=\"USD\">-326662</us-gaap:IncreaseDecreaseInOperatingLiabilities>\n\t<us-gaap:IncreaseDecreaseInOperatingLiabilities contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_383\" unitRef=\"USD\">-897788</us-gaap:IncreaseDecreaseInOperatingLiabilities>\n\t<us-gaap:NetCashProvidedByUsedInOperatingActivities contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_384\" unitRef=\"USD\">1890960</us-gaap:NetCashProvidedByUsedInOperatingActivities>\n\t<us-gaap:NetCashProvidedByUsedInOperatingActivities contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_385\" unitRef=\"USD\">592457</us-gaap:NetCashProvidedByUsedInOperatingActivities>\n\t<us-gaap:PaymentsToAcquirePropertyPlantAndEquipment contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_387\" unitRef=\"USD\">7251</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>\n\t<us-gaap:PaymentsToAcquirePropertyPlantAndEquipment contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_388\" unitRef=\"USD\">19269</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>\n\t<us-gaap:PaymentsToAcquireMarketableSecurities contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_389\" unitRef=\"USD\">4211087</us-gaap:PaymentsToAcquireMarketableSecurities>\n\t<us-gaap:PaymentsToAcquireMarketableSecurities contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_390\" unitRef=\"USD\">0</us-gaap:PaymentsToAcquireMarketableSecurities>\n\t<us-gaap:NetCashProvidedByUsedInInvestingActivities contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_391\" unitRef=\"USD\">-4218338</us-gaap:NetCashProvidedByUsedInInvestingActivities>\n\t<us-gaap:NetCashProvidedByUsedInInvestingActivities contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_392\" unitRef=\"USD\">-19269</us-gaap:NetCashProvidedByUsedInInvestingActivities>\n\t<us-gaap:PaymentsForRepurchaseOfCommonStock contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_394\" unitRef=\"USD\">34344</us-gaap:PaymentsForRepurchaseOfCommonStock>\n\t<us-gaap:PaymentsForRepurchaseOfCommonStock contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_395\" unitRef=\"USD\">81992</us-gaap:PaymentsForRepurchaseOfCommonStock>\n\t<us-gaap:PaymentsOfDividends contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_396\" unitRef=\"USD\">1723819</us-gaap:PaymentsOfDividends>\n\t<us-gaap:PaymentsOfDividends contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_397\" unitRef=\"USD\">3446595</us-gaap:PaymentsOfDividends>\n\t<us-gaap:PaymentsOfDividends contextRef=\"From2023-04-01to2023-04-14\" decimals=\"0\" id=\"fid_74\" unitRef=\"USD\">1723819</us-gaap:PaymentsOfDividends>\n\t<us-gaap:NetCashProvidedByUsedInFinancingActivities contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_398\" unitRef=\"USD\">-1758163</us-gaap:NetCashProvidedByUsedInFinancingActivities>\n\t<us-gaap:NetCashProvidedByUsedInFinancingActivities contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_399\" unitRef=\"USD\">-3528587</us-gaap:NetCashProvidedByUsedInFinancingActivities>\n\t<us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_400\" unitRef=\"USD\">68866</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>\n\t<us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_401\" unitRef=\"USD\">-50217</us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>\n\t<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_402\" unitRef=\"USD\">-4016675</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>\n\t<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_403\" unitRef=\"USD\">-3005616</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>\n\t<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef=\"AsOf2023-10-31\" decimals=\"0\" id=\"fid_283\" unitRef=\"USD\">10446054</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>\n\t<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef=\"AsOf2022-10-31\" decimals=\"0\" id=\"fid_284\" unitRef=\"USD\">14462729</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>\n\t<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef=\"AsOf2022-10-31\" decimals=\"0\" id=\"fid_404\" unitRef=\"USD\">14462729</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>\n\t<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef=\"AsOf2021-10-31\" decimals=\"0\" id=\"fid_405\" unitRef=\"USD\">17468345</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>\n\t<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef=\"AsOf2023-10-31\" decimals=\"0\" id=\"fid_406\" unitRef=\"USD\">10446054</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>\n\t<us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef=\"AsOf2022-10-31\" decimals=\"0\" id=\"fid_407\" unitRef=\"USD\">14462729</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>\n\t<us-gaap:IncomeTaxesPaid contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_411\" unitRef=\"USD\">422155</us-gaap:IncomeTaxesPaid>\n\t<us-gaap:IncomeTaxesPaid contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_412\" unitRef=\"USD\">211813</us-gaap:IncomeTaxesPaid>\n\t<us-gaap:InterestPaidNet contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_413\" unitRef=\"USD\">0</us-gaap:InterestPaidNet>\n\t<us-gaap:InterestPaidNet contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_414\" unitRef=\"USD\">0</us-gaap:InterestPaidNet>\n\t<pbsv:IncomeTaxWithheldByClientsToBeUsedAsACreditInTheCompanySIncomeTaxReturns contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_416\" unitRef=\"USD\">17067</pbsv:IncomeTaxWithheldByClientsToBeUsedAsACreditInTheCompanySIncomeTaxReturns>\n\t<pbsv:IncomeTaxWithheldByClientsToBeUsedAsACreditInTheCompanySIncomeTaxReturns contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_417\" unitRef=\"USD\">22474</pbsv:IncomeTaxWithheldByClientsToBeUsedAsACreditInTheCompanySIncomeTaxReturns>\n\t<us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions contextRef=\"From2022-11-01to2023-10-31\" decimals=\"0\" id=\"fid_418\" unitRef=\"USD\">5</us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions>\n\t<us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions contextRef=\"From2021-11-01to2022-10-31\" decimals=\"0\" id=\"fid_419\" unitRef=\"USD\">3</us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions>\n\t</xbrl>\n\n\n\n##US GAAP Taxonomy\n[Concept Core]\nID: us-gaap:InterestPaidNet\nLabel: Interest Paid, Excluding Capitalized Interest, Operating Activities\nType: xbrli:monetaryItemType | Balance: credit | PeriodType: duration | Abstract: False\nStatus: None | DeprecatedLabel: None | DeprecatedDate: None\nDocumentation:\nAmount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.\n\nProvenance: file=GAAP_Taxonomy_2024.xlsx | sheet=Concepts | row=1434\n\n\n[Concept Relations]\nID: us-gaap:InterestPaidNet\n\nPresentation:\n- Role: http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsDirect\n  Path: Payments for Operating Activities [Abstract] > Interest Paid, Excluding Capitalized Interest, Operating Activities\n  PreferredLabel: None\n- Role: http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures\n  Path: Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] > Interest Paid, Excluding Capitalized Interest, Operating Activities\n  PreferredLabel: None\n- Role: http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectAdditionalElements\n  Path: Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] > Interest Paid, Excluding Capitalized Interest, Operating Activities\n  PreferredLabel: None\nProvenance: sheets include Presentation-like sheets\n\n\n[Concept Relations]\nID: us-gaap:InterestPaidNet\n\nCalculation:\n- As Child:\n  parent=us-gaap:InterestPaid | weight=1 | role=http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect\n  parent=us-gaap:PaymentsForOperatingActivities | weight=1 | role=http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsDirect\nProvenance: sheets include Calculation-like sheets\n\n\n[Concept Relations]\nID: us-gaap:InterestPaidNet\n\nDefinition (Dimensions/Domain/Hypercube):\n- http://xbrl.org/int/dim/arcrole/domain-member: from=us-gaap:PaymentsForOperatingActivitiesAbstract -> to=us-gaap:InterestPaidNet (role=http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsDirectStatementTable)\nProvenance: sheets include Definition-like sheets\n\n\n[Concept Relations]\nID: us-gaap:InterestPaidNet\n\nReferences:\n- None | None | Element is intended to be used in supplemental disclosure for statement of cash flows when indirect method is used. Element is intended to be used in operating activities in statement of cash flows when direct method is used.\nProvenance: sheets include Reference-like sheets\n\nQuestion: What erroneous relationship type exists between us-gaap:InterestPaidNet and NetCashProvidedByUsedInInvestingActivitiesAbstract, based on the provided XBRL filing and the US GAAP taxonomy?\nAnswer:\n\n    "

Answer: "Inappropriateness"