Crystal Glassware Company has the following standards and flexible-budget data. Standard variable-overhead rate 5.00 per direct-labor hour 2 hours per unit of output Standard quantity of direct labor $126,000 Budgeted fixed overhead Budgeted output 21,000 units Actual results for April are as follows: Actual output 15,000 units $240,000 $120,000 Actual variable overhead Actual fixed overhead Actual direct labor 45,000 hours Required: Use the variance formulas to compute the following variances. (Indicate the effect of each variance by selecting "Favorable" or "Unfavorable". Select "None" and enter "O" for no effect (i.e., zero variance).) 1. Variable-overhead spending variance Unfavorable Unfavorable 2. Variable-overhead efficiency variance 3. Fixed-overhead budget variance Favorable Unfavorable 4. Fixed-overhead volume variance