i need help with the last question!

A 3.70 percent coupon municipal bond has 15 years left to maturity and has a price quote of 95.65 . 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 yleld. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Answer is complete and correct. Compute the yield to maturity. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Answer is complete and correct. Yield to maturity 4.090% Compute the taxable equivalent yield (for an investor in the 30 percent marginal tax bracket). (Do not round intermediate calculations. Round your answer to 2 decimal places.) Compute the yield to call. (Do not round intermediate calculations. Round your answer to 2 decimal placet.)