definiens: shall mean the pric e per unit of Products or, in the case of multi active components Pro ducts, NBI-6024 contributed portion thereof ( as determined by a meth od approved by both Parties ), for the sale of Products by [COMPANY] or Af filiates or sublicensees of [COMPANY] to a Third Party other than Aff iliates or sublicensees of [COMPANY], less the amount expected to b e incurred per unit such as returns and allowances ( including, but not limited to, prompt payment and volume discounts, chargebac ks from wholesalers and other allowances granted to customers or whol esalers of Products, whether in cash or trade ), freight, shipping, p acking, insurance, rebates, and sales and other taxes based on sales price when included in gross sales, but not including taxes when as sessed on income derived from such sales