Required:

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

Assume the sales volume increases by $4,284$ 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 $15\%?$

What is the revised net operating income if the selling price increases by $$1\mathrm{.}20$ per unit, fixed expenses increase by $$8,000,$ and the number of units sold decreases by $6\%?$

What is the revised net operating income if the selling price per unit increases by $20\%,$ variable expenses increase by $10$ cents per unit, and the number of units sold decreases by $11\%?$