Determining Amounts to be Paid onInvoices

Determine the amount to be paid in full settlement of each of the following invoices, assuming that credit forreturns and allowanceswas received prior to payment and that all invoices were paid within the discount period.

MerchandiseFreight Paid by SellerReturns and Allowancesa.$21,000-FOB destination, n/30$1,100b.12,100$500FOB shipping point, 1/10, n/301,500c.6,100-FOB shipping point, 1/10, n/30500d.3,400100FOB shipping point, 2/10, n/30500e.2,800-FOB destination, 1/10, n/30-

a.$

b.$

c.$

d.$

e.$