QUESTION 2 worked and maintenance costs for the past eight quarters: Steve Richardson, management accountant at Jupiter Ltd, is examining the behaviour of quarterly maintenance costs for budgeting purposes. Steve collects the following data on machines Quarter Machine-hours 11.200 Maintenance costs $2.150 1.500 750 3 1,100 12.000 1,500 2.700 900 1.450 1.490 12,800 1,300 2.250 1,000 1,950 Required: a. Estimate the cost function for the quarterly data using the high-low method. b. Steve anticipates that Jupiter Ltd will operate machines for 1,300 hours in quarter 9. Calculate the predicted maintenance costs in quarter 9 using the cost function estimated in requirement(a)