ANSWER IS C. PLEASE EXPLAIN

4. Nova Company's total overhead cost at various levels of activity are presented below: Assume that the overhead cost above consists of utilities, supervisory salaries, and maintenance. The breakdown of these costs at the 40,000 machine hours level of activity is as follows: Use the high low method to determine the fixed and variable components of Maintenance costs. What would be predicted maintenance cost for the month of August if 64,000 machine hours were expected? a. $1.4564,000 (b.) $138,200+1.364,000 c. $15,000+1.0864,000 d. $75,000+2.3864,000