Dent 'N' Scratch Used Cars and Trucks Employs 3 Salesmen

Multiple Choice

Dent 'n' Scratch Used Cars and Trucks employs 3 salesmen.Data for their sales last month are shown in this table: $$\begin{array} { | l | l | l | } \hline & \text { Cars Sold } & \text { Trucks Sold } \\\hline \text { Larry } & 10 & 5 \\\hline \text { Joe } & 9 & 9 \\\hline \text { Ralph } & 3 & 12 \\\hline\end{array}$$
Joe's opportunity cost of selling a car is ______ than Ralph's,and Joe's opportunity cost of selling a car is ______ than Larry's.

A) less;greater
B) greater;less
C) less;less
D) greater;greater