definiens: shall mean with respect to any Lic ensed Product, the gross amounts invoiced by MN to Third Party customers for sales or other transfers or disposition of a Licensed Product commencing as of the date of First Commercial Sale, less : ( a ) customary trade, quantity, and cash discounts o r rebates actually allowed on Licensed Product ; ( b ) credits or allowances given to Third Party cust omers for rejections or returns of Licensed Product or on account of retroactive price reductions affec ting such Licensed Product ; ( c ) sales taxes, excise taxes, use taxes, import / ex port duties or other governmental charges actually due or incurred with respect to the production, imp ortation, use or sale of a Licensed Product to Thir d Party customers ; ( d ) rebates and chargebacks, or similar payments or credits consistent with industry standards granted to managed health care organizations, whole salers, distributors, buying groups, retailers, hea lth care insurance carriers, pharmacy benefit managemen t companies, health maintenance organizations or other institutions or health care organizations or to federal, state / provincial, local and other gover nments, their agencies and purchasers and reimbursers ; and ( e ) write offs or allowances for bad debts, in an a mount not to exceed ten percent ( 10 % ) of the gross amount invoiced