Harper Row shall have the right to extend Copex's representations and warranties contained hereinabove to third parties with whom it makes agreements pursuant to the terms hereof (such as purchasers of subsidiary rights granted to Harper Row herein) and Copex shall be liable thereon to the [same extent as if such representations and warranties were originally made to such third parties. The warranties and indemnities as stated herein shall survive in the event this agreement is terminated. Harper Row shall notify Copex, in writing, of the identity of such third parties and of the nature of the agreements with such third parties.
9. Copex agrees that notwithstanding anything to the contrary contained in the Memorandum of Agreement and Schedule thereto, with regard to all copies of the hard cover book sold at discounts of fifty per cent (50 %) or more from Harper Row's suggested list price, the additional purchase price shall be ten per cent (10 %) of the amount actually received by Harper Row. Nothing herein contained shall be deemed to reduce the purchase price as stated in the preliminary Memorandum of Agreement and Schedule, with regard to any other copies sold in the regular channels of distribution.
10. Copex agrees that there shall be no purchase price Kayable on copies of the said work used by Harper for promotional purposes or sold by it at a price equal to or below;he cost of manufacture.
11. If Harper Row makes any sales of the said work by means of direct mail, circular, or coupon advertising, newspapers and periodicals, Copex agrees to accept five per cent (5 %) of the retail price thereof as the purchase price payable In such sales in lieu of the price stated in the preliminary Memorandum of Agreement and Schedule.
12. Harper Row agrees that semi-annual statements of account as of June 30 and December 31 of each year shall be rendered by mail on October 1 and April 1 accompanied by remittance for respective amounts due thereunder. Such statements shall contain the purchase price due from the sales of said book and the disposition of any subsidiary rights. Should Copex receive an overpayment of purchase price on copies reported sold but subsequently returned, it agrees that Harper Row may either deduct such overpayment from future purchase price due under this agreement or request an immediate return of such overpayment, which return shall be made promptly on receipt of a request therefor made by Harper Row. If, in the opinion of Harper Row, there is a risk of booksellers returning for credit a substantial quantity of unsold copies of the said book, Harper Row may withhold a reasonable reserve to compensate for such returns from the purchase price due Copex. Such reserve may be withheld only for the first three semi-annual accounting periods following the period in which publication of the hard cover book occurs.