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

Total Per Unit

Sales $(20,000$ units$)$ $ $300,000$ $ $15\mathrm{.}00$

Variable expenses $180,0009\mathrm{.}00$

Contribution margin $120,000$ $ $6\mathrm{.}00$

Fixed expenses $70,000$

Net operating income $ $50,000$

Required:

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

Assume the sales volume increases by $3,000$ 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{.}50$ per unit and the number of units sold increases by $25\%?$

What is the revised net operating income if the selling price increases by $$1\mathrm{.}50$ per unit, fixed expenses increase by $$20,000,$ and the number of units sold decreases by $5\%?$

What is the revised net operating income if the selling price per unit increases by $12\%,$ variable expenses increase by $60$ cents per unit, and the number of units sold decreases by $10\%?$