When money demand increases, the Fed cannot keep both the money supply from rising and the interest rate from rising

If the interest rate decreases

a. or if the price level increases, then people will want to hold more money. b. or if the price level increases, then people will want to hold less money. c. or if the price level decreases, then people will want to hold more money. d. or if the price level decreases, then people will want to hold less money.

As the quantity of labor increases while the amount of other inputs are held constant, marginal product of labor will

A) increase continuously. B) decrease continuously. C) initially decrease and then increase. D) initially increase and then decrease.