definiens: means the total of the gross invoice prices of Licensed Products sold ( excluding Licensed Products used, given away or sold at the Licensee 's cost as samples or clinical supplies ) less : ( i ) the aum of the following actual and customary deductions where applicable and actually taken : cash, trade, or quantity discounts ; sales, use, tariff, import / export duties, or other excise taxes imposed upon particular sales ; transportation charges ( including insurance ) and allowances or credits to customers because of rejections or returns ; and ( ii ) a portion of the resulting revenue equal to the total revenue from distribution of Licensed Product if used in combination with or as a component of other products multiplied by the fraction A/(A+B ), where A is the retail price specified in the Licensee 's published retail price list as of the end of the applicable period ( ) for the amount of the other product or components used in the combination when distributed separately and B is the Retail Price for the amount of the Licensed Product used in the combination when distributed separately