Smith and Jones Comprise a Two-Person Economy

Smith and Jones comprise a two-person economy. Their hourly rates of production are shown below. 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