25. Beta for stock AAA=0, so, A) stock AAA's return = the return of the market portfolio. B) stock AAA's required return = the risk-free rate C) stock AAA has a promised return, regardless of the market condition. D) stock AAA's return >return of the market portfolio. 26. The firm has a semi-annual coupon bond. When interest rate increases, which of the following tends to happen? A) increase the coupon rate B) decrease the coupon rate C) increase the market price D) decrease the market price 27. Firm A has 5.25% semiannual coupon bonds. Market price = $546.19. The yield to maturity = 16.28 percent. It takes how many years for it to mature? A) 6.64 B) 7.08 C) 12.41 D) 14.16 E) 28.32 28. Firm As bond coupon rate = 10.20%, a yield to maturity = 10.55%, market price = $850. The annual interest payment =? A) $121.0. B) $102. C) $102.75. D) $106.90. 29. What is the yield to maturity of a corporate semiannual coupon payments bond with 13 years to maturity, a coupon rate = 8% and market price = $1,250? A) 6.0% B) 5.3% C) 4.7% D) 4.2%