Please explain it how I can solve this problem.

Use the data from system. Problem 6-6A Alternative cost flows-perpetual LO2, 3 ase Defence sells smartphone cases and uses the perpetual inventory system. The following is information urchases and sales of "Defender Box" cases. On October 1, Case Defence had 28 units with a unit cost of Purchases Sales Date Units Unit Cost Units Unit Price Oct. 3 18 23 Oct. 6 23 $58 Oct. 12 28 25 Oct. 19 28 $58 Oct. 23 38 27 Oct. 30 33 $58 Oct. 31 23 28 quired Calculate the dollar value of cost of goods sold and ending inventory for the month of October us following methods. a. FIFO b. Moving weighted average. Round all unit costs to two decimal places and round all other nur the nearest dollar. erisk (*) identifies assignment material based on Appendix 6A