Calculate the cost of goods sold for a merchandiser using the periodic inventory system from the following details. Purchases Beginning Merchandise Inventory Purchase Returns and Allowances Purchase Discounts Freight In Ending Merchandise Inventory $530,000 180,000 50,000 16,000 15,000 150,000 O A. $509,000 O B. $530,000 OC. $809,000 OD. $524,000