6. You have been offered the opportunity to purchase a non-callable bond with a $100 annual coupon at a market rate of 7% that matures in 15 years. What is the most you should pay for this bond? 7. What is the current price of a bond with an 8% semiannual coupon at a market rate of 6% that matures in 10 years? 8. What is the yield to maturity of a bond with a 7% semiannual coupon, a current price of $1,200, that matures in 15 years? 9. Last year you purchased a bond with a 6% semiannual coupon with a market rate of 8% that matures in 20 years. Today, 1 year later, the market rate has increased to 10%. What is the percentage change in bond value from last year to today