What is the present value of $100 three years from now at an interest rate of 5%?

In the above figure, the imposition of a $0.25 sales tax on sellers will

A) raise the market price paid by buyers of hotdogs by $0.25. B) lower the market price paid by buyers of hotdogs by $0.25. C) raise the market price paid by buyers of hotdogs by $0.125. D) have no effect on the market price of hot dogs.

Long Beach Island, off the coast of New Jersey, is considering building a system of satellite towers that will enhance communication during emergencies such as hurricanes

The efficient quantity of satellite towers is definitely the quantity of such that the A) marginal social cost is equal to the marginal social benefit. B) marginal private cost is equal to the marginal social benefit. C) marginal social cost is less than the marginal social benefit. D) marginal private cost is less than the marginal social benefit.