Whispering Winds Corporation is a multi-product firm. The following information concerns one of its products, the Trinton: Price/ Date Transaction Quantity Cost Jan. 1 Beginning inventory 1,500 $13 Feb. 4 Purchase 2,370 20 Feb. 20 Sale 2,730 31 Apr. 2 Nov. 4 Purchase Sale 3,300 20 2,600 34 Calculate cost of goods sold, assuming Whispering Winds uses a periodic inventory system and FIFO cost formula. Cost of goods sold $ Calculate cost of goods sold, assuming Whispering Winds uses a periodic inventory system and weighted average cost formula. (Round weighted average cost per unit to 2 decimal places, e.g. 52.75 and final answer to 0 decimal places, e.g. 5,275.) Cost of goods sold $ Calculate cost of goods sold, assuming Whispering Winds uses a perpetual inventory system and moving-average cost formula. (Round weighted average cost per unit to 2 decimal places, e.g. 52.75 and final answer to 0 decimal places, e.g. 5,275.) Cost of goods sold $