shall have the right to charge ebix interest on the overdue amount at the rate of 6% per year,, calculated from 30 days after the end of the month for which payment is made until the date of ebix's payment of such amount, which interest shall be in addition to such fees due and owing About. In addition, About shall be entitled to its reasonable costs and expenses (including attorneys' fees) in connection with any action to collect fees under or to otherwise enforce this Agreement. 5.4 About shall have the right to examine, or to have examined by a representative of About, ebix's books and records to verify the accuracy of payments made to About for a maximum period of last 6 months preceding a written notice of About, pursuant to this Agreement. About shall provide ebix with at least thirty (30) days' prior notice of an audit and such audit shall be conducted at ebix's offices for a maximum period of two business days, during regular business hours, subject to ebix's cooperation. If the audit reveals that ebix has paid About less than the sum to which About is entitled, ebix agrees to pay About.com the additional sums due. If such sums exceed five percent (5%) of the total monies owed in connection with such audited amount to About ,ebix will pay for all costs reasonably incurred by About in connection with the audit. 6. LICENSE TO USE MARKS 6.1 Subject to the terms and conditions of this Agreement, ebix hereby grants to About a limited, non-transferable, fully-paid, worldwide, non-exclusive right and license to use, reproduce, adapt (but only to pursuant to its rights under this Agreement), incorporate, integrate and distribute the ebix Marks and ebix Content, during the Term, solely as necessary to perform its obligations under