Exercise 8-15 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 Feb. 4 Purchase 2,370 20 Feb. 20 Sale 2,730 31 Apr 2 Purchase 3,300 20 Nov. 4 Sale 2,600 34 $13 Calculate cost of goods sold, assuming Whispering Winds uses a periodic Inventory system and FIFO cost formula Cost of goods sold LINK TO TEKT LINK TO TEXT 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 aces, ... 52.75 and final answer to o decimal places, 9.5,275) Cost of goods sold s. LINK TO TEXT LINK TO TEXT 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, 6.9. 52.75 and final answer to decimal places a. 5,275.) Cost of goods sold sl LINK TO TEKT LINK TO TEXT