Suppose That a Worker in Country a Can Make Either

Multiple Choice

Suppose that a worker in Country A can make either 10 iPhones or 5 iPads each year. Country A has 100 workers. Suppose a worker in Country B can make either 2 iPhones or 10 iPads each year. Country B has 200 workers. Country B would be using resources efficiently if it was producing:

A) (200 iPhones, 1,750 iPads) .
B) (200 iPhones, 1,500 iPads) .
C) (200 iPhones, 1,000 iPads) .
D) (200 iPhones, 750 iPads) .