MacNeil Company$$s most recent contribution format income statement is show below:

Total Per Unit

Sales $(40,000$ units$)$ $$800,000$ $$20$

Variable Expenses $$520,000$ $$13$

Contribution Margin $$280,000$ $$7$

Fixed Expenses $$120,000$

Operating Income $$160,000$

Prepare a new contribution format income statement under each of the following conditions $($consider

each case independently$)$:

$1.$ The number of units sold increase by $25\%.$

$2.$ The selling price decreases by $$2$ per unit and the number of units sold increase by $30\%$

$3.$ The selling price increases by $$2$ per unit and the fixed expenses increase by $$35,000$ and the

number of units sold decrease by $15\%.$

$4.$ Variable expenses increase by $75$ cents per unit, the selling price increases by $20\%$ and the

number of units sold decreases by $5\%.$