Use the Accompanying Figure

$\begin{array}{|l|c|c|}\hline {\text { Item }} & \text { Quantity Needed } & \text { Cost } \\\hline 8 \text { Spark plugs } & 1 \text { set } & \$ 31.84 \\\text { Spark plug wires } & 1 \text { set } & \$ 73.92 \\\text { Distributor cap } & 1 & \$ 24.16 \\\text { Rotor } & 1 & \$ 9.10 \text { each } \\\text { Labor } & \text { Flat rate } & \$ 80.00 \\5 \% \text { sales tax on } & & \\\text { parts only } & & \\\hline\end{array}$ Use the accompanying figure. If the job requires 1.7 hours to complete, how much does the labor cost per hour? Express the answer to the nearest cent.

A) $40.39
B) $43.55
C) $47.06
D) $50.73