6. (1) A 13 weeks T-bill with a face value of $100,000 was sold
at an annual interest rate of 3% on Monday, August 31. If you
purchase it on August 31, how much was the purchase price?
2. If you hold the T-bill until maturity (November 30,2020), how
much will you receive from U.S. Treasury department on maturity
date? How much is your annual effective interest rate?
3. If the annual interest rate drops to 2% 4 weeks later...