A 4.50 percent coupon municipal bond has 11 years left to maturity and has a price quote of 97.50. The bond can be called in four years. The call premium is one year of coupon payments. (Assume interest payments are semiannual and a par value of $5,000.) Compute the bond's current yield. Compute the yield to maturity. Compute the taxable equivalent yield (for an investor in the 36 percent marginal tax bracket). Compute the yield to call