Sandhill Comarkets CDs of numerous performing artists. At the beginning of March, Sandhill Co. had in beginning inventory 2,320 CDs with a unit cost of $7. During March, Sandhill Co. made the following purchases of CDs. March 5 March 13 2.140 3,560 $8 $9 March 21 March 26 5,440 1.910 $10 $11 During March 11,480 units were sold. Sandhill Co. uses a periodic inventory system Determine (1) the ending inventory and (2) the cost of goods sold under each of the assumed cost flow methods (FIFO, LIFO. and average-cost). (Round answers to 0 decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST $ $ The ending inventory $ $ The cost of goods sold