Flying A Company manufactures airplanes. The following schedule shows total fixed costs at various levels of airplane production:

\begin{tabular}{cc}

\hline Units Produced & Total Fixed Costs \\

\hline $0-200$ & $\$ 200,000$ \\

$201-500$ & 300,000 \\

$501-800$ & 400,000 \\

\hline

\end{tabular}

1. What is the fixed cost per unit when 50 airplanes are produced?

2. What is the fixed cost per unit when 250 airplanes are produced?

3. What is the fixed cost per unit when 800 airplanes are produced?

4. Plot total fixed costs on a graph similar to that shown in Exhibit 18-3.