Exercise 11-22 Straightforward Computation of Overhead Variances (LO 11-5) Crystal Glassware Company has the following standards and flexible-budget data. Standard variable-overhead rate $ 6.00 per direct-labor hour Standard quantity of direct labor 2 hours per unit of output Budgeted fixed overhead $100 , 000 Budgeted output 25, 000 units Actual results for April are as follows: Actual output 20, 000 units Actual variable overhead $320 , 000 Actual fixed overhead $ 92, 000 Actual direct labor 51, 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 "0" for no effect (i.e., zero variance).) 1 . Variable-overhead spending variance Unfavorable 2. Variable-overhead efficiency variance Unfavorable 3. Fixed-overhead budget variance Favorable