The manager of Trusty Cary inspection reviewed the monthly operating costs for the past year. the costs ranged from $ 4, 3000 for 1, 300 inspections to $3, 900 for 900 inspections. Requirements Calculate the variable cost per inspection. Calculate the total fixed costs. Write the equation and calculate the operating costs for 1, 200 inspections. Draw a graph illustrating your total cost under this plan. Show the costs at 900, 1, 200, and 1, 300 inspections. (Use the high-low method for all calculations.) Requirement 1. Calculate the variable cost per inspection. Select the formula and enter variable cost per inspection. (Round to the nearest cent.)