Indigo Inc. uses a periodic inventory system. Its records show the following for the month of May, in which 85 units were sold. Date Units Unit Cost Explanation Inventory Purchase Total Cost $ 290 May 1 29 $ 10 May 15 24 11 264 May 24 Purchase 43 12 516 Total 96 $ 1,070 Calculate the cost of goods sold and the ending inventory at May 31 using the average cost formula. (Round average cost to 3 decimal places, eg, 5.252 and round final answer to 2 decimal places, eg 5.25.) Cost of goods sold $ Ending inventory