The manager of Quick Car inspection reviewed the monthly operating costs for the past year. The costs ranged from $4800 for $1200 inspections to $3800 for 700 inspections.

1. 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 the 700,800, and 1200 inspections.

Show all work and explain the answers