definiens: means the total received by BTl from sale of PRODUCT less transportation charges and insurance, sales taxes, use taxes, excise taxes, value added taxes, customs duties or other imports, normal and customary quantity and cash dfscounts, and allowances and cred1 t on account or reJectfon or return or PRODUCT . In the event that a PRODUCT includes component(s ) covered by a VALID CLAIM of a PATENT RIGHT ( Patented Component(s » and component(s ) not covered by 8 VALID CLAIM of a PATENT RIGHT ( Unpatented Componen~(s } ) ( such PRODUCT being a Combined Product ), then NET SALES PRICE shall be the amount which is normally received by BTl from 8 sale of the Patented Component(s ) in an arm 's length transaction with an unaffiliated third party . If the Patented Component(s ) are not sold separately, then NET SALES PRICE upon which a royalty is paid shall be the NET SALES PRICE of the Combined Product multiplIed by a fraction, the numerator of whJch Is the cost ror producing the Patented Components and the denominator of which is the cost for producing the Combined Product