Miller Company$$s contribution format income statement for the most recent month is shown below:

Total Per Unit

Sales $(21,600$ units$)$ $ $194,400$ $ $9\mathrm{.}00$

Variable expenses $116,6405\mathrm{.}40$

Contribution margin $77,760$ $ $3\mathrm{.}60$

Fixed expenses $45,360$

Net operating income $ $32,400$

Required:

$($Consider each of the four requirements independently$)$:

Assume the sales volume increases by $3,456$ units:

What is the revised net operating income?

What is the percent increase in unit sales?

Using the most recent month$$s degree of operating leverage, what is the percent increase in net operating income?

What is the revised net operating income if the selling price decreases by $$1\mathrm{.}20$ per unit and the number of units sold increases by $19\%?$

What is the revised net operating income if the selling price increases by $$1\mathrm{.}20$ per unit, fixed expenses increase by $$10,000,$ and the number of units sold decreases by $3\%?$

What is the revised net operating income if the selling price per unit increases by $10\%,$ variable expenses increase by $20$ cents per unit, and the number of units sold decreases by $12\%?$