Novak Corp. uses a perpetual inventory system. Data for product E2-D2 include the following purchases. Date Number of Units Unit Price May 7 76 $10 July 28 43 17 On June 1, Novak sold 38 units, and on August 27,43 more units. Compute the cost of goods sold using (a) FIFO. (b) LIFO, and (c) average-cost. (Round average cost per unit to 3 decimal places, Cost of Goods Sold FIFO LIFO Average-cost