You have the following information for Sunland Inc. for the month ended June 30, 2022. Sunland uses a periodic inventory system. Unit Cost or Selling Price Date Description Quantity June 1 Beginning inventory 40 $29 June 4 Purchase 135 32 June 10 Sale 110 59 June 11 Sale return 15 59 June 18 Purchase 55 35 June 18 Purchase return 10 35 June 25 Sale 65 65 June 28 Purchase 35 39 Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.) Weighted average cost per unit $ 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 0 decimal places, e.g. 1,250.) LIFO FIFO AVERAGE-COST The ending inventory $ $ $ The cost of goods sold $ $ $ Gross profit $ $ $ Calculate gross profit rate under each of the following methods. (1) LIFO. (2) FIFO. (3) Average cost. (Round answers to 1 decimal place, e.g. 51.2%) LIFO FIFO AVERAGE-COST Gross profit rate % % % Compare results for the three cost flow assumptions and answer the following questions. gross profit. In this period of rising prices, gives the highest cost of goods sold and the gives the lowest cost of goods sold and the gross profit