definiens: means the actual gross invoice price of each product sold through the Distribution Business as determined using the accrual basis of accounting in accordance with GAAP applied in a manner consistent with [COMPANY] 's customary practices, less the sum of ( i ) any and all promotional allowances, rebates, quantity and cash discounts, and other usuar'and customary discounts to customers accrued in the ordinary course of business, in accordance with historical practice and GAAP and current industry trends ; plus ( ii ) amounts repaid or credited by reason of rejections or returns of goods ; plus ( iii ) retroactive price reductions ; plus ( iv ) 50 % of the reasonable allowance for doubtful accounts accrued in the ordinary course of business, in accordance with historical practice and GAAP ; plus ( v ) the aggregate amount paid by [COMPANY] or any of its Subsidiaries to any third party to purchase products sold through the Distribution Business ; plus ( v ) all royalties paid by [COMPANY] or any of its Subsidiaries with respect to the Distribution Business ; provided, however, that the calculation of Distribution Net Profits shall exclude the impact of unusual and non - recurring items as determined in accordance with GAAP applied in a manner consistent with [COMPANY] 's customary practices