7) Preston Racquets manufactures tennis racquets. The following data are available for last month. Units in beginning inventory Units produced during yeer month Units in ending inventory Sales commissions per racquet Fixed manufacturing overhead Fixed marketing expenses Selling price per racquet Variable manufacturing cost per racquet 1,200 racquets 200 racquets $10.00 $48,000 $12,000 $200 $110 Using variable costing income statement, what is the operating income for last month? (6 points)