***Please answer with full steps***

Kelly Company's most recent contribution format income statement is shown below:

Prepare a new contribution format income statement under each of the following conditions (consider each case independently):

a) The number of units sold increases by 30%. b) The selling price decreases by $1 per unit, and the number of units sold increases by 20%. c) The selling price increases by $1 per unit, fixed expenses increase by $20,000, and the number of units sold decreases by 10%. d) Variable expenses increase by 60 cents per unit, the selling price increases by 15%, and the number of units sold decreases by 15%.

Total 600,000 $10 360,000 240,000 100,000 140,000 Per Unit Sales (60,000 Units) Variable Cost Contribution Margin Fixed Cost Operating Income 4