Answer
$\$30$ per hour
Work Step by Step
Use your answers from parts a), b), and c) to compare which has the highest efficiency.
$\$20$: $\frac{1}{160}=0.00625$
$\$30$: $\frac{2}{240}=0.00833$
$\$40$: $\frac{2.5}{320}=0.00781$
This leaves the $\$30$ per hour wage as the most efficient option.
