If the required reserve ratio is 10 percent, a $100 deposit will ultimately allow the banking system to create how much money?

Which of the following is true of the present value of an investment?

a. The higher the rate of interest the higher will be the present value of an investment. b. Present value of an investment is an increasing function of the time period of investment. c. The longer the time period of investment the lower will be its present value. d. Present value falls less than proportionately with the length of the delay in payment.

Which of the following is excludable but not rivalrous in consumption?

a. Cable television b. Non congested toll roads c. Near empty gold courses. d. All of the above.