Glascro Company manufactures skis. The management accountant wants to calculate the fixed and variable costs associated with the leasing of machinery. Data for the past four months were collected as follows: Month Lease cost Machine hours April $15,000 800 10,000 600 May June 12,000 770 July 16,000 1.000 Using the Method of Least Squares, calculate the variable rate per machine hour for the lease cost. Round the variable rate to the nearest cent