Which of the following is a correct reason for stating that the United States has a fiduciary monetary system? I. Our money is convertible to a fixed amount of silver or gold. II. Our money has a predictable value

In the above figure, the amount of the tax per unit imposed on the sellers is

A) $0.50. B) $1.00. C) $1.50. D) $2.00.

In a common-value auction

a. No bidder knows what the exact value of the item being auctioned b. Each bidder has only an estimate of the value of the item c. The value is the same for each bidder d. All of the above