Determine the amount to be paid in full settlement of the following invoice assuming that credit for returns and allowances was received prior to payment and that the invoice was paid within the discount period. Merchandise: $90,000, Freight paid by seller: $1,000. Freight term: FOB shipping point, 1/10, n/30, Returns and Allowances: $15,000. (If the result is $10,000, write your answer for the amount as: $10,000)