You have just been hired by FAB Corporation, the manufacturer of a revolutionary new garage door opening device. The president h 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 March 22,000 $ 56,see 13,800 $123,780 s 70,800 Cost For.la utilities Supplies Indirect labor Depreciation $16,400 plus $e.19 per machine-hour 38,700 plus $1.28 per machine-hour $0.70 per machine-hour $94,8ee plus $1.48 per machine-hour $68, 380 During March, the company worked 18,000 20,000 machine-hours during March. machine-hours and produced 12,000 units. The company had originally planned to work Required 1. Calculate the activity variances for March 2. Calculate the spending variances for March