Smith and Jones Comprise a Two-Person Economy Suppose Smith and Jones Begin by Producing 100 Calculators Per

Smith and Jones comprise a two-person economy. Their hourly rates of production are shown in the accompanying table. $$\begin{array} { | l | r | r | } \hline & \text { Calculatars Per Haur } & \text { Camputers Per Haur } \\\hline \text { Brith } & 100 & 10 \\\hline \text { Jones } & 120 & 6 \\\hline\end{array}$$  
Suppose Smith and Jones begin by producing 100 calculators per hour; as Smith and Jones choose to efficiently produce fewer computers and more calculators, ________ should devote more time to calculators because his ________.

A) Smith; absolute advantage is larger
B) Jones; absolute advantage is smaller
C) Jones; opportunity costs are lower
D) Smith; opportunity costs are lower