c) Complete the following table to track cost of goods sold during the month. (using Avearge method) Purchases Sales Balance Date Quantity Unit cost Value Quantity Unit cost Value Quantity Unit cost Value Opening 40 $ 25.00 $ 1,000.00 01-Sep 20 S 25 $ 500.00 20 $ 25.00 $ 500.00 02-Sep 65 S 30 S 1,650 60 09-Sep 33 30 40 17-Sep 50 S 1,650 21-Sep 50 40 24-Sep 5