Four-Variance Analysis (Continuation of Exercise 15-47) Use the data given in Exercise 15-47 for

Four-Variance Analysis (Continuation of Exercise 15-47) Use the data given in Exercise 15-47 for Marilyn, Inc. In addition, the company has determined that actual variable overhead cost in April was

$21,980.

Required Use the model presented in Exhibit 15.17 to Compute the following variances for April:

Variable overhead efficiency variance.

Variable overhead spending variance.

Fixed overhead spending (budget) variance.

Production-volume variance.