The following data are the actual results for Marvelous Marshmallow Company for October. 9,000 cases $409,000 Actual output Actual variable overhead Actual fixed overhead Actual machine time $166,000 40,100 machine Standard cost and budget information for Marvelous Marshmallow Company follows: $ 3.0 hour 9.00 per machine Standard variable- overhead rate Standard quantity of machine hours Budgeted fixed overhead Budgeted output hours per case of marshmallows $160,000 per month 10,000 cases per month Required: Use any of the methods explained in the chapter 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).) AR 120 Unfavorab Variable-overheads spending variance Variable-overhead efficiency variance Fixed-overhead budget variance Fixed-overhead volume variance