If the Value of Marginal Product of Capital Decreases as More

Multiple Choice

If the value of marginal product of capital decreases as more capital is employed,then the

A) supply curve of capital is upward sloping.
B) supply curve of capital is downward sloping.
C) demand curve for capital is horizontal.
D) demand curve for capital is downward sloping.
E) demand curve for capital is upward sloping.