You are provided with the following information for Sheffield Inc. for the month ended June 30, 2020. Sheffield uses the periodic method for inventory. Unit Cost or ty Selling Price Date June Beginning inventory June 4 Purchase June 10 Sale June 11 Sale return June 18 Purchase June 18 Purchase return June 25 Sale June 28 Purchase Descri uantit $39 42 71 71 45 45 75 50 39 139 57 65 32 Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.) Weighted-average cost per unit 54 LINK TO TEXT Calculate ending inventory, cost of goods sold, gross profit under each of the following methods. (1) LIFO. (2) FIFO. (3) Average-cost. (Round average-cost method answers to 2 decimal places, e.g 1,250.25 and other answers to O decimal places, e.g. 1,250. LIFO FIFO AVERAGE-COST The ending inventory The cost of goods solds Gross profit LINK TO TEXT Calculate gross profit rate under each of the following methods. (1) LIFO. (2) FIFO, (3) Average-cost. (Round answers to 1 decimal place, eg, 51.2%.) LIFO FIFO AVERAGE-COST Gross profit rate LINK TO TEXT Compare the results for the three cost flow assumptions and answer the following questions. In this period of rising prices, gives the highest cost of goods sold and the gross profit. gives the lowest cost of goods sold and the gross profit