Current Attempt in Progress Sandhill Treats has the following account balances: Cost of goods sold $400,000 Rent expense $44,000 Depreciation expense 13,500 Salaries expense 55,000 Insurance expense 3,000 Sales 565,000 Interest expense 10,500 Sales discounts 5,600 Interest revenue 8,100 Sales returns and allowances 15,500 Assuming Sandhill Treats uses a multiple-step income statement, calculate the following: (a) net sales, (b) gross profit, (c) operating expenses, (d) profit from operations, and (e) profit. (a) Net sales 10 $ (b) Gross profit $ (c) Operating expenses $ (d) Profit from operations $ (e) Profit $