12. Find the price and current yield of the following three bonds. (a) Maturity = 10 years, coupon = 6.56%, im = 5.98%. Maturity = 12 years, coupon = 5.56%, im = 6.28%. Maturity = 20 years, coupon = 7.56%, im = 6.98%. (b) Today an investor purchases the first bond in (a). The investor winds up selling the bond two years from today, and at that moment im 5.16%. What is the actual (realized) annual rate of return earned by the investor? = (c) Today an investor purchases the second bond in (a). The investor winds up selling the bond four years from today, and at that moment im = 6.96%. What is the actual (realized) annual rate of return earned by the investor