9. Company Y reaches their break-even point for the current period. Each additional unit they sell will:

Group of answer choices

A. Increase fixed cost by a proportionate amount.

B. Reduce the margin of safety.

C. Increase profit by an amount equal to the per unit contribution margin.

d. Increase profit by the difference between contribution margin per unit minus the fixed cost per unit.

e. Increase the companys operating leverage.