(See attached file for full problem description)
1. Find monthly fixed maintenance cost and the variable maintenance cost per driver unit using the visual-fit method based on each potential cost driver. Explain how you treated the April data.
2. Find monthly fixed maintenance cost of the variable maintenance cost per driver unit using the high-low method based on each potential cost driver.
3. Which cost driver best meets the criteria for choosing cost functions? Explain.
The posting calculates and estimates monthly maintenance costs for drivers based on given data.