27. A sporting goods buyer placed the following order: 27.1 18 nylon backpacks costing $22 each 8+22=396 12 two-person tents costing $54 each 12+34=648 6 camp stoves costing $55 each 6+55=330 Shipping costs paid by the store were $60, and a cash discount of 1% was taken. Find: a. Billed cost on the total order. b. Total delivered cost of the merchandise.