Barcain Fender vsos a standard cost syotem and provido the following information (Cick the icon te view the enlarmation) 20,000 , actual variablo overhead, $4,730; actual foed oremtead, $32,000; achual diect labor houn, 450 . Road the regurvenents Data table Requirements 1. Compute the overhead variances for the year: variable overhead cost variance, variable overhead efficiency variance, fixed overhead cost variance, and fixed overhead volume variance. 2. Explain why the variances are favorable or unfavorable