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

What is the revised net operating income if unit sales increase by $15\%?$

What is the revised net operating income if the selling price decreases by $$1\mathrm{.}30$ per unit and the number of units sold increases by

$16\%?$

What is the revised net operating income if the selling price increases by $$1\mathrm{.}30$ per unit, fixed expenses increase by $$5,000,$ and the

number of units sold decreases by $7\%?$

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 $6\%?$