A $2.00 increase in a product”s variable expense per unit accompanied by a $2.00

A $2.00 increase in a product”s variable expense per unit accompanied by a $2.00

increase in its selling price per unit will:

A) decrease the degree of operating leverage.

B) decrease the contribution margin.

C) have no effect on the break-even volume.

D) have no effect on the contribution margin ratio.