definiens: shall mean the gross amount invoiced for sales of Licensed Product(s ) made by PRJ or its Affiliates to independent third parties, reduced by the following to the extent that they are properly allocable to the quantity of Licensed Product(s ) so sold : all trade, quantity and cash discounts allowed ; credits or allowances actually granted on account of rejections ; returns, billing errors and retroactive price reductions ( including, without limitation, shelf stock adjustments ) ; credits, rebates, chargeback rebates, fees, reimbursements or similar payments granted or given to wholesalers and other distributors, buying groups, health care insurance carriers, governmental agencies and other institutions in respect of the purchase price ; freight, transportation, insurance or other delivery charges ; and all taxes ( except income taxes ), tariffs, duties and other similar governmental charges paid by the seller on sales of the Licensed Product(s ) and not reimbursed by the purchaser . shall mean the difference between Net Sales for any amount of Licensed Product(s ) and the price paid to SANO pursuant to Section 7.2 hereof in respect of such Licensed Product(s )