need help with accounting

Bramble Distribution markets CDs of the performing artist Fishe. At the beginning of October, Bramble had in beginning inventory 2,300 of Fishe's CDs with a unit cost of $6. During October, Bramble made the following purchases of Fishe's CDs. Oct. 3 Oct. 9 2,875 @ $7 4,025 @ $8 Oct. 19 Oct. 25 3,450 $9 4.600 @ $10 During October, 12,535 units were sold. Bramble 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 answers to 0 decimal places, e.g. 1,250. Use weighted-average unit cost rounded to 2 decimal places for computations.) FIFO LIFO AVERAGE-COST The ending inventory $ $ $ $ $ The cost of goods sold $ $ $