Crane Marine Products began the year with 10 units of marine floats at a cost of $15.00 each, During the year, it made the following purchases: May 5,30 units at $22.00; July 16,15 units at $27.00; and December 7,20 units at $33.00. Assuming there are 25 units on hand at the end of the period, determine th. A goods sold under (a) FiFO, (b) 4FO, and (c) avcrage-cost. Crane uses the periodic