Question #1 Marbela Company's factory overhead cost at various level of activity are presented below: Month Machine Hours Factory Overhead Cost (BDT) May 6,000 75,000 June 8,000 90,000 July 7,000 85,000 August 11,000 100,000 Assume that the factory overhead cost above consists of raw materials, rent and utility. The breakdown of these costs at the 6,000 machine-hour level of activity is: Raw Materials (Variable) BDT 18,000 Rent (Fixed) 42,000 Utility (Mixed) 15,000 Factory Overhead Costs BDT 75.000 Marbela Company's management wants to break down the utility cost into its variable and fixed cost elements. Required: i) Estimate how much of the BDT 100,000 of factory overhead cost in August was raw materials cost. ii) Using high-low method, estimate a cost formula for utility. iii) What factory overhead cost is expected to be incurred at an activity level of 12,000 machine-hours