\fThe Central Valley Company is a manufacturing rm that produces and sells a single product. The company's revenues and expenses for the last four months are given below. Central Valley Company Comparative Income Statement March April May June Sales in units 6,700 6,200 7,800 9,400 Sales revenue $717,000 $647,000 $797,000 $857,000 Less: Cost of goods sold 378,500 350,500 387,500 443,000 Gross margin $338,500 $296,500 $409,500 $414,000 Less: Operating Expenses Shipping expense $ 64,900 $ 52,600 $ 68,400 $ 62,500 Advertising expense 95,500 95,500 95,500 95,500 Salaries and commissions 165,900 134,500 170,000 165,000 Insurance expense 17,500 17,500 17,500 17,500 Amortization expense 50,500 50,500 50,500 50,500 Total operating expenses $394,300 $350,600 $401,900 $391,000 Net income $55,000) $54,100) $ 7,600 $ 23,000