The question posted is from managerial accounting and im unable to solve it. please help me solve it

ABC Company produces tablets. The company wants to calculate the fixed and variable costs associated with the maintenance cost incurred by the factory. Data for the past four months were collected: Costs Hours June 1988 164 July 1888 152 August 2368 195 September 2120 176 October 2385 184 November 1888 174 December 2423 192 Required: a) Using the results of regression, compute the variable cost (4 marks) of maintenance. b) Using the high low method, compute the fixed cost (2 marks) of maintenance. c) Using the results of regression, construct the cost (2 marks) formula for maintenance cost. d) Compute the budgeted cost for maintenance next month (2 marks) assuming the machine hours budgeted are