Question 4.3 (Totak 33 marks) Dlamond Company's total overhead costs at varlous levels of activity are presented below: Assume that the overhead costs above consist of utilities, supervisory salaries, and malntenance. At the 50,000-machine-hour level of acthity, these costs are presented below: V= Variable, F=FxF,M=Mbxed The company wants to break down the maintenance cost into its basic variable and fired cost elements. Required: 1. Estimate the maintenance cost for June. 2. Use the high-low method to estimate the cost formula for maintenance cost. 3. Estimate the total overhead cost at an actlvity level of 55,000 machine hours, using the separate estimates you obtained for its components