definiens: means the gross amount invoiced by LICENSEE and its Sublicensees billings to unrelate d Third Parties for the Sale of Licensed Products, le ss the sum of the following items, to the extent in cluded in the gross amounts invoiced for such Licensed Pro ducts or otherwise directly paid, incurred, allowed, accrued or specifically allocated by LICENSEE or it s Sublicensees with respect to the Sale of such Licensed Products : ( a ) discounts given and actually taken in amounts c ustomary in the trade for quantity / volume purchases, cash payments, prompt payments, wholesalers and dis tributors ; ( b ) rebates and chargebacks allowed, given or accru ed ( including cash, governmental and managed care rebates, hospital or other buying group chargebacks, cash and non - cash coupons, and governmental taxes in the nature of a rebate based on usage leve ls or Sales of such Licensed Products ) ; ( c ) sales, value added, import, export, excise and other taxes directly imposed and with reference to particular Sales ; ( d ) outbound transportation, customs charges, and insur ance charges prepaid or allowed ; and ( e ) amounts allowed or credited on returns or rejection s