Culver Distribution markets CDs of numerous performing artists. At the beginning of March, Culver had in beginning inventory 2.670 CDs with a unit cost of $7. During March. Culver made the following purchases of CDs. March 5 2,040 @ $8 March 21 5,150 @ $10 March 13 3,820 @ $9 March 26 1.930 @ $11 During March 12,440 units were sold. Culver uses a periodic inventory system, (a) Determine the cost of goods available for sale. $ The cost of goods available for sale FIFO LIFO AVERAGE-COST The ending inventory $ $ The cost of goods sold