Question #1 The controller of Richmond Enterprises has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Total Maintenance Total Machine Month Costs Hours January $2,640 3,500 Februar Y 3,000 4,000 March 3,600 6,000 April 4,500 7,900 May 3,200 5,000 June 4,620 8,000 Required #1 Determine the fixed- and variable-cost components using the high-low method. Required #2 Prepare the maintenance mixed cost formula to apply to any level of machine hours used in a given month. Required #3 What would be the maintenance budget at a projected monthly level of 6,500 machine hours