3rd pic is what im missing

Current Attempt in Progress Sheridan Company began the year with 10 units of marine floats at a cost of $10 each. During the year, it made the following purchases: May 5, 31 unit at $15; July 16, 17 units at $21; and December 7, 22 units at $25. Assume there are 25 units on hand at the end of the period. Sheridan uses the periodic approach. (b) Your answer is correct. Determine the cost of goods sold under LIFO. LIFO $ 1147 tof good sold e Textbook and Media Your answer is correct. Calculate average unit cost. (Round answer to 2 decimal places, e.g. 5.12.) ta 18.4 rage unit cost e Textbook and Media Determine the cost of goods sold under average-cost. Average-Cost TA $ Cost of good sold Your answer is correct. Determine the cost of goods sold under FIFO. FIFO $ 859 t of good sold