A Corporation uses the perpetual inventory system. Information related to A' inventory for September is given below: Sep 1 Beginning inventory 200 units @$10.00 = $2,000 8 Purchase 600 units @$10.40 6,240 12 Sale 500 units 16 Purchase 400 units @ $10.80= 4,320 24 Purchase 29 Sale 100 units @$11.60 = 1,160 400 units Instructions: Answer the following questions and show your calculations (round all the numbers in your calculations to 2 decimal places): (a) Assume that the company uses the FIFO cost formula. The cost of goods sold for the September 12 sale was $ (b) Assume that the company uses the FIFO cost formula. The balance of the inventory after the September 24 purchase is $ (c) Assume that the company uses the average cost formula. The cost of goods sold for the September 12 sale was $ (d) Assume that the company uses the average cost formula. The balance of the inventory after the September 29 sale was $