Flounder Distribution markets CDs of numerous performing artists. At the beginning of March. Flounder had in beginning inventory 2,590 CDs with a unit cost of \$7. During March. Flounder made the following purchases of CDs. \begin{tabular}{llllll} March 5 & 1,950 & $8 & March 21 & 5,240 & $10 \\ \hline March 13 & 3,400 & $9 & March 26 & 1,970 & $11 \end{tabular} During March, 11,280 units were sold. Flounder 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). (For calculation purposes, round average cost per unit to 3 decimal places, eg. 5.275. Round answers to 0 decimal places, c8. 125.)