127 37 29 Details of invoices for purchases of merchandise are as follows: Returns and Merchandise Freight Terms Allowances (a) $2.800 $45 FOB shipping point, 1/10, n/30 $200 (b) 7.600 60 FOB destination, n 30 800 c) 1,400 FOB shipping point. 2/10,n30 600 (d) 500 FOB destination, 1/10,n/30 Determine the amount to be paid in full settlement of each of the invoices, assuming that credit for returns and allowances was received prior to payment and that all invoices were paid within the discount period. Use a comma, if applicable. The dollar sign is provided for you. Do not enter cents. a. $