Freight Rims Determine the amount to be paid in full settlement of each of two invoices, (a) and (b), assuming that credit for returns and allowances was received prior to payment and that all invoices were paid within the discount period. a. b. a. b. Merchandise (Invoice Amount) $24,000 31,500 Returns and Allowances Freight Paid by Seller Freight Terms $300 FOB destination, 1/10, n/30 (Invoice Amount) $2,000 250 FOB shipping point, 2/10, n/30 2,500