Suppose the inverse supply curve in a market is Q = 6p2. What is the producer surplus when price is equal to 4?

If the demand curve for money were horizontal at some interest rate, an increase in the money supply

A) would lower the interest rate. B) would increase the rate of inflation. C) would be highly effective in reducing inflation. D) would not change the interest rate

The average total cost curves for plants A, B, C, and D are shown in the above figure. The plant size that is the most economically efficient

A) is plant A. B) is plant B. C) is plant C. D) depends on the desired level of output.