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 Customer Returns Freight Paid by Seller Invoice Amount and Allowances a. $13,200 FOB destination, n/30 $700 b. 9,100 $400 FOB shipping point, 1/10, n/30 1,100 c. 8,300 FOB shipping point, 1/10, n/30 700 d. 3,400 100 FOB shipping point, 1/10, n/30 500 e. 1,300 FOB destination, 1/10, n/30 a. $. b. $ c. $ d. $ e. $