7. A T-bill quote sheet has 90-day T-bill quotes with a 4.92% bid and a 4.86% ask. If the bill has a $10,000 face value, an investor could buy this bill for the following price is true or false? (Hint: price = face value * (1-bid/ask rate *(Day-to-maturity)/360) 8. An investor purchases one municipal bond and one corporate bond that pay rates of return of 5% and 6.4%, respectively. If the investor is in the 15% tax bracket, his after-tax rates of return on the municipal (tax-exemption) and corporate bonds (taxable) would be, respectively, and