Determining Amounts to be paid on Invoices Determine the amount to be paid in full settlement of each of the following invoices, assuming that credit for returns and allowances was received prior to payment and that all invoices were paid within the discount period. Merchandise Freight Paid by Seller Returns and Allowances $ 700 a. b. $500 $13,200 11,700 7,800 2,900 2,700 FOB shipping point, 1/10, n/30 FOB shipping point, 1/10, n/30 FOB destination, 2/10, n/30 FOB shipping point, 1/10, n/30 FOB destination, 2/10, n/30 1,400 700 400 100 X X j 3 oj X X