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: 589 Merchandise Invoice Amount Freight Paid by Seller Customer Returns and Allowances $20,600 FOB destination, n/30 $1,000 11,900 $500 7,400 FOB shipping point, 2/10, n/30 FOB shipping point, 1/10, n/30 1,400 700 3,500 100 FOB shipping point, 2/10, n/30 500 3,300 FOB destination, 2/10, n/30 00000