A $4\mathrm{.}30$ percent coupon municipal bond has $15$ years left to maturity and has a price quote of $97\mathrm{.}85.$ 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. $($Do not round intermediate calculations. Round your answer to $2$ decimal places.$)$

Compute the yield to maturity. $($Do not round intermediate calculations. Round your answer to $2$ decimal places.$)$

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 places.$)$