compute using high low method

The total maintenance costs of Silver Company in the last four months are presented below:

Month Machine hours Maintenance cost

January 7, 200 P450, 000

February 6, 800 P422, 000

March 7, 000 P440, 000

April 6, 400 P418, 000

1. Variable cost per machine hour: 40.00
2. Total fixed cost: 162,000
3. Budgeted maintenance cost in May if the company is planning to use 7, 500 hours.: 462,000
4. Budgeted maintenance cost in May if the company is planning to use 8, 000 hours.: 482,000