definiens: and the related term shall have the following meanings : ( a ) As to [COMPANY] : ( i ) shall mean, with respect to any Diagnostic Product, the amount of gross sales invoiced by [COMPANY], its Affiliates or sublicensees to Third Parties for such Diagnostic Product, commencing with the First Commercial Sale of such Diagnostic Product, less deductions for the following items which are included in the invoiced amounts and do not exceed reasonable and customary amounts in the country in which such sale occurred : ( 1 ) returns ( including withdrawals and recalls ), ( 2 ) rebates ( price reductions including Medicaid and similar types of rebates, ~, chargebacks ), ( 3 ) volume ( quantity ) discounts granted at the time of invoicing, ( 4 ) sales taxes and other taxes directly linked and included in the gross sales amount, as computed in the [COMPANY] 's sales statistics for the countries concerned