Ayayai Distribution markets CDs of numerous performing artists. At the beginning of March, Ayayai had in beginning inventory 4,100 CDs with a unit cost of \$7. During March, Ayayai made the following purchases of CDs. \begin{tabular}{ll|lllll} March 5 & 5,125 & $8 & March 21 & 8,150 & $10 \\ \hline March 13 & 7,175 & $9 & March 26 & 6,200 & $11 \end{tabular} During March 22,000 units were sold. Ayayal uses a periodic irventory system. (3) Determine the cost of goods avaliable for sale. Cost of eoods avaliabie for sale Calculate weighted-average cost per unit. (Round answer to 3 dedmol places, es. 2.257.) Weighted-average cost per unit eTextbook and Media Attempts: 3 of 5 use (b2) 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). Prove the accuracy of the cost of goods sold under the FFFO and LIFO methods. (Round onswers to O decimal places, eg. 1,250. Use welghted-overage unit cost rounded to 3 decimal ploces for computations.)