Dave's Electronics manufactures TVs and DVDRs. During April, the following activities occurred:

TVs DVDRs

Budgeted units sold 19,404 72,996

Budgeted contribution margin per unit $40 $75

Actual units sold 22,000 80,000

Actual contribution margin per unit $45 $76

Required:

Compute the following variances in terms of the contribution margin.

a. Determine the total sales-mix variance.

b. Determine the total sales-quantity variance.

c. Determine the total sales-volume variance.