Required information The following is Addison Corporation's contribution format income statement for last month Sales Less: Variable expenses Contribution margin LOSS: fixed expenses Operating income $1,000,000 700.000 300,000 180.000 $120,000 The company has no beginning or ending inventories. A total of 20.000 units were produced and sold last month What is the company's contribution margin ratio? Mumiple Choice 70% O 150 O O 250