solve in details please and show all the formula for each question

ACCT225_5P23_TUT_CHPO2_hE__a2_or022023 Q2. Muhammad 5eit, a cost analnt, collected the following information. concerning the operations of the Machining Departmenti Required: a) Use the high-low method to determine the cost function to estimate future costs. b) If a total of 5,200 machine hours are estimated for July, what would be the total operating cost of the Machining Department? c) If fixed cost is calculated as $5,300 and variable cost per unit is calculated as $9.70 using the regression method, then what would be the total cost for 5,200 machine-hours in duly