Contribution margin ratio of 30%

A.

Was determined by dividing contribution margin per unit by total sales revenue.

B.

Means for each $1 of sales revenue, it contributes $.70 toward covering fixed expenses and profits.

C.

Was determined by dividing total contribution margin in dollars by the sales price per unit.

D.

Means for each $1 of sales revenue, it contributes $.30 toward covering fixed expenses and profits.