What is RF's gross profit according to the following items of RF, Inc. for this year? Sales = $3,000,000; Cost of Goods Sold = $1,500,000; Depreciation Expense = $170,000; Administrative Expenses = $150,000; Interest Expense = $30,000; Marketing Expenses = $80,000, and Taxes = $300,000. O A. $1,100,000. OB. $770,000 O C. $1,500,000 OD. $1,070,000