An individual has a comparative advantage in production if that individual:
a. can produce at the highest opportunity cost.
b. is more self-sufficient than others

You want to purchase two umbrellas. The price is $40 per umbrella, 2 for $60, 3 for $75. What will be the marginal cost to you of buying a third umbrella?

A) $75 B) $25 C) $20 D) $15 E) $10

When the economy moves from point A to B in the above table, the opportunity cost of a computer in terms of televisions is

A) 10. B) 2.5. C) 2. D) 0.5.