Cullumber Distribution markets CDs of numerous performing artists. At the beginning of March, Cullumber had in beginning inventory 2,700 CDs with a unit cost of \$6.00. During March, Cullumber made the following purchases of CDs. During March 11,900 units were sold. Cullumber uses a periodic inventory system. Your answer is partially correct. Determine the cost of goods available for sale. Cost of goods available for sale \$ Calculate weighted-average cost per unit. (Round answer to 3 decimal places, e.g. 5.125.) 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.)