In the Accompanying Figure, Which Scales Are to Be Used

Multiple Choice

$\begin{array}{|l|c|c|}\hline{\text { Item }} & \text { Quantity Needed } & \text { Cost } \\\hline 8 \text { Spark plugs } & 1 \text { set } & \$ 31.84 \\\text { Spark plug wires } & 1 \text { set } & \$ 73.92 \\\text { Distributor cap } & 1 & \$ 24.16 \\\text { Rotor } & 1 & \$ 9.10 \text { each } \\\text { Labor } & \text { Flat rate } & \$ 80.00 \\5 \% \text { sales tax on } & & \\\text { parts only } & & \\\hline\end{array}$ In the accompanying figure, which scales are to be used for hydrocarbon and carbon monoxide, respectively?

A) Lo, Lo
B) Hi, Lo
C) Lo, Hi
D) Hi, Hi