definiens: shall mean the total gross amounts received by Licensee and sublicensees or Affiliates for Licensed Products sold in the First Commercial Sale and subsequent commercial sales, less the following amounts directly chargeable to such Licensed Products : ( a ) customary trade, quantity or cash discounts and rebates, actually allowed and taken ; ( b ) amounts repaid or credited to customers on account ofrejections ; ( c ) freight and other transportation costs, including insurance charges, and duties, tariffs, sales taxes and excise duties and other governmental charges based on sales . turnover or delivery of such Licensed Products and actually paid or allowed by Licensee or sublicensee ; ( d ) amounts allowed or credited due to returns or uncollectible, amounts . In the event Licensee or sublicensee or Affiliate sells Combination Product(s ), Net Sales from such sales for the purposes of calculating the amounts due under this Agreement shall be calculated by multiplying the Net Sales ofthat combination by the fraction NA+B. where A is the gross selling price ofthe Licensed Product(s ) sold separately and B is the gross selling price ofthe active therapeutic agent(s ) . or agents of administration of the Licensed Product sold separately