Assume that Caden Company uses a periodic inventory system and has these account balances: Purchases 32.450 Sales 90.780 Purchase Returns & Allowances 5,400 Inventory (12/31/2020) 22,600 Freight-In 2,500 Inventory (1/1/2020) 34,500 Purchase Discounts 1,500 Sales Returns and Allowances 17,650 Freight-Out 4,800 Sales Discounts 5,430 REQUIRED: SHOW WORK Determine the amounts to be reported for a) Cost of goods sold, b) Gross Profit c) Gross Proht Percent (Gross Profit/ Sales)