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.Jones; absolute advantage is smaller
B.Jones; opportunity costs are lower
C.Smith; opportunity costs are lower
D.Smith; absolute advantage is larger
正确答案：Jones; opportunity costs are lower
