Cullumber Distribution markets CDs of numerous performing artists. At the beginning of March, Cullumber had in beginning inventory 2,700 CDs with anit cost of \$6,00. During March, Cullumber made the following purchases of CDs, During March 11,700 units were sold. Cullumber 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, an average-costi). (Round answers to 0 decimal places, eg. 125.)