Fill in the blanks. The addition of one more unit of capital, causes the productivity of labor to ______,
the marginal product of labor to _______, and the marginal revenue product of labor to ______.
Consequently, labor demand will ______.
(2 點)

a. increase, increase, increase, increase.

b. decrease, decrease, decrease, decrease.

c. decrease, decrease, increase, increase.

d. Decrease, increase, decrease, increase