Windsor, Inc began the year with 12 units of marine floats at a cost of $10 each. During the year it made the following purchases: May 5,29 unit at $15; July 16, 15 units at $21; and December 7, 20 units at $23. Assume there are 24 units on hand at the end of the period. Windsor uses the periodic approach. Determine the cost of goods sold under FIFO. FIFO Cost of good sold Determine the cost of goods sold under LIFO. LIFO $ Cost of good sold Calculate average unit cost. (Round answer to 2 decimal places, eg. 5.12.) $ Average unit cost Determine the cost of goods sold under average-cost. Average-Cost $ $ Cost of good sold