Use the first-in, first-out (FIFO) cost allocation method, with perpetual inventory updating, to calculate (a) sales revenue, (b) cost of goods sold, and (c) gross margin for A75 Company, considering the following transactions. Beginning Inventory Number Unit of Units Cost 125 $43 Purchased Mar. 2 165 45 Sold Mar. 31 for $70 per unit 88 (a) Sales Revenue (b) Cost of Goods Sold (c) Gross Margin