Product Pricing: Single Product Presented is the 2017 contribution income statement of Grafton Products. GRAFTON PRODUCTS Contribution Income Statement For Year Ended December 31, 2017 Sales (13,000 units) $ 2,925,000 Less variable costs Cost of goods sold $ 780,000 Selling and administrative 208,000 (988,000) Contribution margin 1,937,000 Less fixed costs Manufacturing overhead 780,000 Selling and administrative 315,000 (1,095,000) Net income $ 842,000 During the coming year, Grafton expects an increase in variable manufacturing costs of $12 per unit and in fixed manufacturing costs of $39,000. (a) If sales for 2018 remain at 13,000 units, what price should Grafton ch