For the capital stock of the economy to remain constant over time the

For the capital stock of the economy to remain constant over time the amount of investment:

A) must exceed the depreciated value of capital stock.
B) must be less than the depreciated value of capital stock.
C) must be equal to the depreciated value of capital stock times the savings rate of the economy.
D) must be equal to the depreciated value of capital stock.

ANSWER

D