Novak Distribution markets CDs of the performing artist Fishe. At the beginning of October, Novak had in beginning inventory 3,300 of Fishe's CDs with a unit cost of $7. During October. Novak made the following purchases of Fishe's CDs. During October, 17,985 units were sold. Novak 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). Prove the accuracy of the cost of goods sold under the FIFO and LIFO methods. (Round onswers to O decimal ploces, eg. 1,250. Use weighted-average unit cost rounded to 2 decimal places for computations.)