The manager of Handy Car Inspection reviewed the monthly operating costs for the past year. The costs ranged from $4,100 for 1,100 inspections to $3,700 for 700 inspections.

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 700,800 , and 1,100 inspections. (Use the high-low method for all calculations.) 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.) Requirement 2. Calculate the total fixed costs. Select the formula and enter the amounts to calculate the total fixed costs. (Use the highest volume and its mixed cost to calculate the total fixed cost.) = Total fixed cost = Requirement 3. Write the equation and calculate the operating costs for 800 inspections. Select the formula and enter the amounts to calculate the operating costs for 800 inspections. (Enter all amounts to the nearest cent.) (()+)+Totalmixedcost=