Engberg Company installs lawn sod in home yards. The company$$s most recent monthly contribution format income statement follows:

Amount Percent of Sales

Sales $ $92,000100\%$

Variable expenses $36,80040\%$

Contribution margin $55,20060\%$

Fixed expenses $43,240$

Net operating income $ $11,960$

Required:

What is the company$$s degree of operating leverage?

Using the degree of operating leverage, estimate the impact on net operating income of a $6\%$ increase in unit sales.

Construct a new contribution format income statement for the company assuming a $6\%$ increase in unit sales.