Country a Has a Smaller Stock of Capital Than Country

Multiple Choice

Country A has a smaller stock of capital than Country B,but the supply of labor in both countries is equal.What does this imply?

A) The increase in output due to the use of an additional unit of capital will be smaller in Country A than in Country B.
B) The increase in output due to the use of an additional unit of capital will be larger in Country A than in Country B.
C) The use of an additional unit of capital will increase output in Country A only if there is an increase in the total efficiency units of labor.
D) The use of an additional unit of capital will increase output in Country B only if there is an increase in the total efficiency units of labor.