Concord Distribution markets CD s of numerous performing artists. At the beginning of March, Concord had in beginning imventory 2,660CD s with a unit cost of $7. During March, Concord made the following purchases of CDs. During March, 12,760 units were sold. Concord uses a periodic inventory system. (a) Determine the cost of goods available for sale. Cost of goods available for sale $ eTextbook and Media Attempts: 2 of 3 used (b) Your answer is incorrect. 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). (For calculation purposes, round average cost per unit to 2 decimal places, e.g. 5.25. Round answers to 0 decimal places, e.g. 125.)