If r is the required reserve ratio, which of the following is the simple money multiplier?

When a product is taxed,

A) part of the initial consumer surplus goes to the government as revenue. B) part of the initial consumer surplus becomes a deadweight loss. C) the producer surplus never changes because consumers pay taxes, not producers. D) Both answers A and B are correct. E) Both answers B and C are correct.

Refer to the above table. At a price of $15 per unit, which of the following would exist?

a. A shortage of 1,600 units b. A surplus of 600 units c. A shortage of 1,000 units d. A surplus of 1,000 units