Sheffield Corporation is a multi-product firm. The following information concerns one of its products, the Trinton: Date Jan. 1 Feb. 4 Feb. 20 Apr. 2 Nov. 4 Transaction Beginning inventory Purchase Sale Purchase Sale Price/ Quantity Cost 1,100 $14 2,060 17 2,460 29 3,130 2,200 36 22 (b) Calculate cost of goods sold, assuming Sheffield 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