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

	Calculators Per Hour	Computers Per Hour
Smith	100	10
Jones	120	6

If Smith and Jones are dividing their time efficiently and producing fewer than 10 computers and more than 120 calculators per hour, then Smith will ______ and Jones will ______.

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

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

C) produce only calculators; produce only computers

D) produce only computers; produce only calculators