A firm's total revenue is $400 for 8 units of output, $600 for 12 units of output, and $1,100 for 22 units of output. Evidently this firm is operating in a(n):

An increase in capital brings a large increase in output at a ________ quantity of capital and a small increase in output at a ________ quantity of capital because of ________

A) large; small; the greater the quantity of capital the greater the output B) small; large; diminishing returns along the productivity curve C) large; small; diminishing returns along the productivity curve D) small; large; increasing returns along the productivity curve E) large; small; increasing returns along the productivity curve

Controlling the quantity of money and interest rates to influence aggregate economic activity is called

A) foreign policy. B) monetary policy. C) fiscal policy. D) bank antitrust policy.