after much effort and analysis, you determined the following cost formulas and gathered the following actual cost data for march: cost formula actual cost in march utilities $16,400 $0.16 per machine-hour $ 21,560 maintenance $38,900 $1.20 per machine-hour $ 57,900 supplies $0.80 per machine-hour $ 16,600 indirect labor $94,900 $1.40 per machine-hour $ 125,200 depreciation $67,500 $ 69,200 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.