definiens: means the amount billed by P&U or its Affiliate or sublicensee for sales of a Product to a Third Party purchaser ; less the following to the extent actually allowed or . incurred with respect to such sales : ( i ) discounts, including cash discounts ( including quantity . discounts ), charge - back payments and rebates granted to managed health care organizations or to federal, state and local governments ( or their respective agencies, purchasers and reimbursers ) or to trade customers, including but not limited to, wholesalers and chain and pharmacy buying groups ( provided that if any such discounts or reductions are based on sales to the customer of multiple products, the amount of such discount or reduction that may be allocated to the Products sold shall be on the basis of a methodology approved by the JMT ) ; ( ii ) credits or allowances II = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN TIllS DocUMENT, MARKED BY BRACKETS, IS FILED WITH TIlE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 406 OF THE SECURITIES ACT OF 1933, AS AMENDED