The manager of Able Car Inspection reviewed the monthly operating costs for the past year. The costs ranged from $4,000 for 1,000 inspections to $3,600 for 600 inspections. Read the requirements - Requirement 1. Use the high-low method to calculate the variable cost per inspection. Select the formula and enter the amounts to calculate the variable cost per inspection. (Round to the nearest cent.) Requirements Change in total cost Change in volume of activity 100 = Variable cost per inspection 30 3000 - 1. Use the high-low method to calculate the variable cost per inspection. 2. Calculate the total fixed costs 3. Write the equation and calculate the operating costs for 800 inspections. 4. Draw a graph illustrating your total cost under this plan. Show the costs at 600, 800, and 1,000 inspections. (Use the high-low method for all calculations.) Print Done