You are provided with the following information for Koetteritz Inc. for the month ended June 30, 2020. Koetteritz uses the periodic method for inventory. Unit Cost or Date Description Quantity Selling Price June 1 Beginning inventory 40 $40 June 4 Purchase 135 43 June 10 Sale 110 70 June 11 Sale return 15 70 June 18 Purchase 55 46 June 18 Purchase return 10 46 June 25 Sale 65 76 June 28 Purchase 35 50 Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.) Weighted-average cost per unit tALIFO FIFO AVERAGE-COST The ending inventory to $ to The cost of goods sold $ $ $ Gross profit $ $ to eTextbook and Media 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 the results for the three cost ow assumptions and answer the following questions. In this period of rising prices, 6 gives the highest cost of goods sold and the gross prot. 6 gives the lowest cost of goods sold and the 9 gross prot. eTextbook and Media