Ayayai Lake Corporation's accounting records show the following at year-end December 31, 2017: Purchase Discounts Freight-In Freight-Out Purchases $5,700 8,300 10,000 Beginning Inventory Ending Inventory Purchase Returns and Allowances $31,730 27,960 3,210 162,500 Assuming that Ayayai Lake Corporation uses the periodic system, compute cost of goods purchased and cost of goods sold. Cost of goods purchased $ Cost of goods sold $