You have just been hired by FAB Corporation, the manufacturer of a revolutionary new garage door opening device. The president has asked that you review the company's costing system and "do what you can to help us get better control of our manufacturing overhead costs." You find that the company has never used a flexible budget, and you suggest that preparing such a budget would be an excellent first step in overhead planning and control. After much effort and analysis, you determined the following cost formulas and gathered the following actual cost data for March Actual Cost in Cost Formula March Utilities $16,200 + $0.16 per machine-hour $ 21,840 Maintenance $38,600 + $1.80 per machine-hour $ 75,600 Supplies $0.90 per machine-hour $ 21,400 Indirect labor $94,500 + $1.88 per machine-hour $138,600 Depreciation $67,800 $ 69,500 During March, the company worked 22,000 machine-hours and produced 16,000 units. The company had originally planned to work 24,000 machine-hours during March Required: 1. Calculate the activity variances for March 2. Calculate the spending variances for March Calculate the activity variances for March. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (1.e., zero variance). Input all amounts as positive values.) FAB Corporation Activity Variances For the Month Ended March 31 Utilities Maintenance Supplies Indirect labor Depreciation Total 3,600F F F O None Calculate the spending variances for March. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.) FAB Corporation Spending Variances For the Month Ended March 31 Utilities U Maintenance 2,600 F Supplies U Indirect labor U Depreciation 1,700 U Total U