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 ta payment and that all involces were paid within the discount period: Freight Paid by Seller Customer Returns and Allowances Merchandise $20,200 12.500 $1,000 1,500 b $500 C 6,600 FOB destination, 1/30 FOB shipping point, 1/10, 1/30 FOB shipping point, 2/10, 1/30 FOB shipping point, 2/10, 1/30 FOB destination, 2/10, 1/30 600 d 3,200 100 400 2,200 b. C d