Question 4 (10 points) An income statement for Sam's Bookstore for the first quarter of the year is presented below: $ Sam's Bookstore Income Statement For Quarter Ended March 31 Sales Cost of goods sold Gross margin Selling and administrative expenses Selling Administration Net operating income 960,000 670,000 290,000 $ 108,000 120,000 228,000 62,000 $ On average, a book sells for $60. Variable selling expenses are $5 per book with the remaining selling expenses being fixed. The variable administrative expenses are 4% of sales with the remainder being fixed. The cost of Goods sold is all variable. Prepare the income statement using the contribution margin approach for Sam's Bookstore for the first quarter