Case Defence sells smartphone cases and uses the perpetual inventory system. The following is information on the purchases and sales of Defender Box cases. On October 1, Case Defence had 23 units with a unit cost of $17. Purchases Units Unit Cost 13 18 Sales Units Unit Price 18 $ 53 23 20 Date Oct. 3 Oct. 6 Oct. 12 Oct. 19 Oct. 23 Oct. 30 Oct. 31 23 $ 53 33 22 28 $ 53 18 23 Required: 1. Calculate the dollar value of cost of goods sold and ending inventory for the month of October using the following methods. (Do not round intermediate calculations. Round weighted average all unit costs to two decimal places and round all other numbers to the nearest dollar.) Ending Inventory Cost of Goods Sold a. FIFO b. Moving weighted average 2. Using your calculations in Part 1, complete the following table: (Do not round intermediate calculations. Round the final answers to nearest dollar.) FIFO Moving Weighted Average Sales Cost of goods sold Gross profit 4. Calculate the gross profit percentage for FIFO and Moving weighted average for the month of October. (Round the final answers to the nearest whole number.) Gross Profit percentage 1. FIFO % % 2. Moving weighted average