Brampton Auto Parts make batteries for electric cars. The companys accountant likes to estimate overhead costs for the year 2023. To help him understand how costs behave in the companys manufacturing process, she wants to know how much of the overhead costs are fixed and what the variable cost rate should be. Data for the past six months are as follows:

Month	Overhead Cost	Labour Hours
July 2022	$920,000	10,240
August 2022	960,000	11,900
September 2022	930,500	10,600
October 2022	880,000	9,800
November 2022	840,000	8,960
December 2022	940,000	10,600

Required: (Please show detailed work including formulas used

A) Using the high-low method, calculate the fixed cost component of overhead and the variable rate (use 3 decimal points for this calculation. [4 marks]

B) What would be the cost formula that can be used to calculate the total overhead cost? [3 marks]

C) Assume that 8,400 machine hours will likely be used in the coming month, calculate the total overhead cost

based on the above calculations. [3 marks]