2) Carr Corporation has provided the following contribution format income statement. All questions concern situations that are within the relevant range.

	Sales (8,000 units)	$240,000
	Variable expenses	168,000
	Contribution margin	72,000
	Fixed expenses	71,100
	Net operating income	$900

Required:

i. What is margin of safety?

j. What is the margin of safety percentage?

k. What is degree of operating leverage?

l. Using the degree of operating leverage, what is the estimated percent increase in net operating income of a 10% increase in sales?