Whispering Winds Corp. uses a perpetual inventory system. Data for product E2-D2 include the following purchases. On June 1, Whispering Winds sold 24 units, and on August 27, 29 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, es. 1.246 .)