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 Invoice Amount Freight Paid by Seller Customer Returns and Allowances a. b $350 $32,000 12,700 21,900 9,300 FOB destination, n/30 FOB shipping point, 1/10, 1/30 FOB shipping point, 2/10, 1/30 FOB shipping point, 1/10, 1/30 FOB destination, 2/10, 1/30 $1,600 2,500 4,200 C d. 195 1,000 77,300 Round your answers to the nearest dollar. a. $ b. $ c. $ d. $ e. $