Calculate (A)net Sales, (B)gross Profit (C)total Operating Expenses, and (D)net

Short Answer

Calculate (A)net sales, (B)gross profit (C)total operating expenses, and (D)net income.
Sales returns $600, rent expense $1,700, sales discounts $1,800, depreciation expense $490, cost of merchandise sold $7,200, gross sales $19,900, advertising expense $650, salary expense $2,500, heat expense $850.