High / Low Method (2.5 points each) Use the following information to answer the next four questions: Separating a mixed cost into the variable and mixed components: XYZ Company has observed its maintenance costs as follows over the relevant range of 4,000 to 12,000 units of production. Units of Production 10,000 6,000 Maintenance Expense 9,000 7,100 16,600 7.900 4,000 8,500 Question 36 (2.5 points) Using the high-low method, what is the variable rate per unit of production? Question 37 (2.5 points) What is the total fixed cost? Question 38 (2.5 points) Express the cost formula for maintenance cost Question 39 125 points) What is the expected maintenance cost it 6,300 units are produced? A Pase 10 of 17