how do i solve this?

Question 6 of 35 Current Attempt in Progress Windsor, Inc. accounting records show the following for the year ending on December 31, 2022. Purchase Discounts Freight-in Purchases Beginning Inventory Ending Inventory Purchase Returns and Allowances $12100 17100 706020 59000 45600 10700 Using the periodic system, the cost of goods purchased is $721720 5669120 5700320 5711720