cost formula actual cost in march utilities $16,700 $0.16 per machine-hour $ 21,860 maintenance $38,800 $1.80 per machine-hour $ 70,400 supplies $0.70 per machine-hour $ 14,500 indirect labor $94,000 $1.60 per machine-hour $ 128,500 depreciation $67,700 $ 69,400 during march, the company worked 19,000 machine-hours and produced 13,000 units. the company had originally planned to work 21,000 machine-hours during march. required: 1. prepare a flexible budget for march. 2. prepare a report showing the spending variances for march.