2019 The following is Addison Corporation's comtribution format income statement for last month Total Sales Variable expenses Contribution margin Fixed expenses Net operating income $1,200,000 900,000 300,000 200,000 $100,000 The company has no beginning or ending inventories A total of 15,000 umits were produced and sold last month. Required 1) What is the company's variable expense ratio and contribution margin ratio? (2 pts.) a. |Variable expense ratio b. Contribution margin ratio 2) What is the company's break-even in units and break-even in sales dollars? (4 pts.) a. Break-even point in unit sales b. Break-even point in dollar sales S 3) If sales increase by 1,000 units, by how much should net operating income increase/decrease? (2 pts.) Net operating income by 12