system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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on the co-branded site. Spinrecords.com e-comnerce offerings will be reduced to provide licensed merchandise and content and any additional products mutually agreed upon by Nettaxi.com and Spinrecords.com. Both companies will announce their users ability to shop on the co-branded site using one-click buying. Each member can move between the stores on the co-brand site and order in each individual store. 9 PHASE III: JANUARY 1, 2000 Nettaxi launches citizen and small business e-commerce offering for all community sites. This feature will allow current Nettaxi home page web sites to integrate e-commerce offerings from their own products and products from the Nettaxi store. 5. PAYMENT PERCENTAGE OF ADVERTISING REVENUE 5.1 "SpinRecords.com's Advertising Revenue" means the gross revenue from advertising invoiced by SpinRecords.com in a calendar quarter for advertising by third parties on the SpinRecords.com Pages, less any commissions not to exceed 35%. 5.2 "SpinRecords.com's AR Share" means the number of Impressions on the SpinRecords.com Pages by Users arriving through the Co-branded NETTAXI Pages in Source: RAE SYSTEMS INC, 10-Q, 11/14/2000 a calendar quarter divided by the total number of Impressions on the SpinRecords.com Pages by all Users in that calendar quarter. 5.3 "NETTAXI Advertising Revenue" means the gross revenue from advertising invoiced by NETTAXI in a calendar quarter for advertising by third parties on the NETTAXI Pages, less any commissions. 5.4 "NETTAXI's AR Share" means the number of Impressions on the NETTAXI Pages by Users arriving through the Co-branded SpinRecords.com Pages in a calendar quarter divided by the total number of Impressions on the NETTAXI Pages by all Users in that calendar quarter. 5.5 SpinRecords.com Rate. In full consideration for the rights granted --------------------- by NETTAXI, SpinRecords.com agrees to pay NETTAXI fifty (50%) percent of ad revenue at an average rate no lower then $6.50 per one thousand impressions (CPM) payable to NETTAXI which results when the SpinRecords.com Advertising Revenue is multiplied by SpinRecords.com's AR Share. SpinRecords.com shall be responsible for payment of all taxes based on the Advertising Revenue except taxes based on NETTAXI's income. 5.6 NETTAXI Rate. N/A. ------------- 5.7 Payment Schedule. The parties shall make such payments within ----------------- thirty (30) days of the end of each calendar quarter for the Advertising Revenue invoiced during such calendar quarter. 5.8 Records. SpinRecords.com agrees to keep accurate books of account ------- and records at its principal place of business covering all Advertising Revenues and associated commissions. Upon reasonable notice of not less than seven (7) business days, but in no event more than once per year (unless the immediately preceding audit showed a material underpayment), NETTAXI shall have the right, subject to suitable confidentiality measures, to cause a certified public accountant to inspect those portions of the books of account and records which relate to the royalties owed NETTAXI, to confirm that the correct amount owing NETTAXI under this Agreement has been paid. SpinRecords.com shall maintain such books of account and records which support each statement for at least two years after the termination or expiration of this contract or after the final payment made by SpinRecords.com to NETTAXI, whichever is later. 2: PER CUSTOMER FEE 1. SpinRecords.com Payment. For each User that accesses the co-branded ------------------------ site and becomes a paying customer on the co-branded site, SpinRecords.com agrees to pay a fee of five (5%) percent of the gross sale. 2. NETTAXI Payment. N/A. ---------------- 3. Payment Terms. All fees will be paid on or before fifteen (15) days -------------- after the end of the month in which the party has received payment 4. Audit Rights. SpinRecords.com shall maintain for a period of two ------------- (2) years after the end of the year to which they pertain, complete records of it's customers in order to calculate and confirm SpinRecords.com's obligations hereunder. Upon reasonable prior notice, NETTAXI will have the right, exercisable not more than once every twelve (12) months, to appoint an independent accounting firm or other agent reasonably acceptable to SpinRecords.com, at NETTAXI'S expense, to examine such books, records and accounts during SpinRecords.com's normal business hours to verify the amounts due by SpinRecords.com to NETTAXI herein, subject execution of NETTAXI's standard confidentiality agreement by the accounting firm or agent; provided, however, that execution of such agreement will not preclude such firm from reporting its results to NETTAXI. In the event such audit discloses an underpayment or overpayment of royalties due hereunder, the appropriate party will promptly remit the amounts due to the other party. If any such audit discloses a shortfall in payment to NETTAXI of more than
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Extract the exact clause related to "Revenue/Profit Sharing" from the excerpt above.

assistant: For each User that accesses the co-branded ------------------------ site and becomes a paying customer on the co-branded site, SpinRecords.com agrees to pay a fee of five (5%) percent of the gross sale.