Johnson Corporation is preparing a flexible budget and desires to separate its electricity expense which is semi-variable and fluctuates with total machine hours, into its fixed and variable components. Information for the first 

three months of 2013 is as follows:

 

Machine hours Electricity Expense

January3, 500P31, 500

February2, 000P20, 000

March4, 000P35, 600

Requirements: Using the least square method (Round off equation multiplier to two decimal places)

Compute the variable rate per machine hour (round off to two decimal places)