Question 12 of 21 La Moving to the next question prevents changes to this answer. 5 points Save Answe Question 12 The following is Addison Corporation's contribution format income statements for last month. The company has no beginning or ending inventories. A total of 10,000 units were produced and sold last month. The following is last month's contribution format income statement: Sales (10,000 units)... $ 1,200,000 Variable expenses 800,000 Contribution margin 400,000 Fixed expenses. 240,000 Net operating income. $ 160,000 Determine the margin of safety. A) $720,000 B) $480,000 C) $48,000 D) $400,000