(8)-Spring 2019 The folowing is Addison Corponation's contribuition format income statement fornsmt $1,200,000 900,000 Contribution margin 300,000 200,000 Net operating income $100,000 Variable expenses Fixed expenses The company has no beginning or ending inventories A total of 15,000 units were produced and sold last month. Reguired 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 inconme by 12