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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release documentation including technical reference manuals and user guides; and (vii) all applicable data objects relevant to the Software. These materials shall be provided at no cost to Corio. 4 FEES. 4.1 License Fees. In consideration for the licenses granted to Corio pursuant to Section 2 of this Agreement, Corio shall pay the license fees specified in EXHIBIT B hereto. Payment terms of such license fees shall be as set forth in EXHIBIT B hereto. 4.2 Software Support and Maintenance Fees. Corio shall pay to Commerce One an annual Software Maintenance and Support fee for the support services to be provided by Commerce One specified in Exhibit C attached hereto and made a part hereof, and Updates and Upgrades, according to the fees set forth in Exhibit B hereto. Payment terms of annual Software Maintenance and Support fees shall be as set forth in Exhibit B hereto. Maintenance and Support shall automatically continue during the term of this Agreement and thereafter, provided that Corio continues to pay the annual Maintenance and Support fees contained in Exhibit B, attached hereto. 4.3 Taxes. All fees are exclusive of any sales taxes, use taxes and any other taxes and charges of any kind imposed by any federal, state or local governmental entity for products and services 5 6 provided under this Agreement, and Corio is responsible for payment of all taxes concerning the Corio Services, excluding taxes based solely upon Commerce One's income. 4.4 Audit Rights. Corio shall keep true and accurate books of accounts and records for determining the amounts payable to Commerce One under this Agreement. Such books and records shall be kept for at least three (3) years following the end of the calendar month to which they pertain, and shall be open for inspection by an independent certified public accountant reasonably acceptable to Corio for the purpose of verifying the amounts payable to Commerce One under this Agreement. Such inspections may be made no more than once each calendar year, at reasonable times and upon reasonable notice. Commerce One shall bear all costs and expenses of such inspection. If any such inspection discloses a shortfall or an overpayment, the appropriate party shall promptly pay the amount of such shortfall or refund such overpayment. In addition, if any such inspection reveals an underpayment of more than five percent (5%) for the period under audit, Corio shall reimburse Commerce One for the reasonable cost of the examination. 5 INSTALLATION SUPPORT, MAINTENANCE AND TRAINING. 5.1 Installation. Commerce One shall provide Corio with access to one (1) full-time operations consultant for one (1) week at no charge to Corio as part of the installation project as described in the Corio Statement of Work - Hosted BuySite ASP, dated October 28, 1999 ("Statement of Work") incorporated herein by reference. 5.2 Implementation. Commerce One shall provide Corio with sufficient access to Commerce One's professional services organization during the first three (3) implementations of the Software conducted by Corio and its Customers, in accordance with the Statement of Work incorporated herein by reference, subject to the payment by Corio of the professional services fee set forth in Exhibit B hereto ("IMPLEMENTATION FEE"). Additionally, during the term of the Agreement the parties shall meet periodically to discuss Updates and Upgrades to the Software and MarketSite.net Service to better support Corio's and its Customers' specific application requirements, to be provided at no charge to Corio. 5.3 Support and Maintenance. Commerce One shall provide Corio with support described in EXHIBIT C hereto, and maintenance in the form of Updates and Upgrades. Corio shall be responsible for providing its Customers with routine technical support of the Software and MarketSite.net Service. Corio shall escalate any technical support questions or problems it is unable to answer or resolve directly to Commerce One for Commerce One's immediate attention and resolution under the schedule set forth in EXHIBIT C hereto. The support described in this Section 5.3 and EXHIBIT C hereto shall be provided to Corio but Commerce One shall have no obligation to provide any maintenance or support services to other third parties. Subject to Corio's payment of the annual support and maintenance fee, Commerce One's support and maintenance obligation of the Software and MarketSite.net Service shall continue after termination or expiration of this Agreement with respect to all Software Users granted access to the Software and MarketSite.net Service prior to termination or expiration of this Agreement. 5.4 Product Management Meetings. The parties agree to meet either in person or via teleconference on
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Extract the exact clause related to "Audit Rights" from the excerpt above.

assistant: In addition, if any such inspection reveals an underpayment of more than five percent (5%) for the period under audit, Corio shall reimburse Commerce One for the reasonable cost of the examination.