A merchandising company that uses the periodic inventory system. Selected account balances are listed below: Sales Revenue $320,000 Purchase Discounts $ 7,200 Purchases 180,000 Sales Discounts 10,000 Inventory (beginning) 50,000 Transportation in 4,000 Inventory (ending) 21,000 Transportation - out 2,500 Purchase Returns and Allowances 9,500 Sales Returns and Allowances 8,000 What is the amount of the company's gross profit? A. $109,700 B. $108,200 C. $105,700 D. $ 93,000 E. $113,700