Smith and Jones Comprise a Two-Person Economy If Smith and Jones Are Dividing Their Time Efficiently and of Production

Multiple Choice

Smith and Jones comprise a two-person economy. Their hourly rates of production are shown below. $$\begin{array} { | l | c | c | } \hline & \begin{array} { c } \text { Calculators } \\\text { Per Hour }\end{array} & \begin{array} { c } \text { Computers } \\\text { Per Hour }\end{array} \\\hline \text { Smith } & 100 & 10 \\\hline \text { Jones } & 120 & 6 \\\hline\end{array}$$ If Smith and Jones are dividing their time efficiently and producing more than 10 computers and fewer than 120 calculators per hour, then Smith will ______ and Jones will ______.

A) produce only computers; produce only calculators
B) produce only computers; split his time between computers and calculators
C) split his time between computers and calculators; produce only computers
D) produce only calculators; produce only computers