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You are provided with the following information for Waterway Inc. for the month ended June 30, 2020. Waterway uses the periodic method for inventory Unit Cost or Selling Price Date Description Quantity June 1 Beginning inventory 42 $41 June 46 4 Purchase 135 June 10 Sale 67 107 June 11 67 Sale return 18 June 18 Purchase 52 49 June 18 Purchase return 8 49 June 25 Sale 62 72 June 28 Purchase 32 53 Compare the 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 proht