Problem 6-3A Groves Company Inc. had a beginning inventory of 100 units of Product MLN at a cost of $8 per unit. During the year, purchases were: Feb. 20 600 units at $9 Aug. 12 400 units at $11 May S 500 units at $10 Dec. 8 100 units at $12 Groves Company uses a periodic inventory system. Sales totaled 1,500 units (a) Determine the cost of goods available for sale The cost of goods available for sale s (b) Calculate Average Cost. (Round answer to 3 decimal places, e.g. 5.125.) Average Cost SHOW LIST OF ACCOUNTS LINK TO TEXT Determine the ending inventory and the cost of goods sold under each of the assumed cost flow methods (FIFO, LIFO, and average-cost). (Round answers to O decimal places, e.g. 125.) IFO AVERAGE-COS The ending inventory The cost of goods sold