definiens: shall mean the adjusted gross invoice price, the adjusted gross invoice price being the aggregate sales of WCCI and its Affiliates of the Product to unaffiliated third parties in the Territory ( but not including sales between WCCI and its Affiliates ) less sales returns and allowances, including trade, quantity and cash discounts and any other adjustments, in cluding those granted on account of price adjustments, billing errors, rejected goods, damaged goods, Recalls, returns, rebates, chargeback rebates, fees, reimbursements or similar payments granted or given to wholesalers or other distributors ( including r etailers ), buying groups, DOVONEX ® AGREEMENT 6 health care insurance carriers or other institutions, freight and insurance charges billed to the customers, customs or excise duties, sales tax and other taxes ( except income taxes ) or duties relating to sales, and any payment in respect of sales to any G overnmental or Regulatory Authority in respect of any Federal or state Medicaid, Medicare or similar program, all as determined in accordance with generally accepted accounting principles on a basis consistent with WCCI ’s audited financial statements, prov ided, however, that the deductions from aggregate sales described above shall in no event exceed eight percent ( 8 % ) of the gross adjusted price