A $3\mathrm{.}70$ percent coupon municipal bond has $15$ years left to maturity and has a price quote of $95\mathrm{.}65.$ The bond can be called in four years. The call premium is one year of coupon payments. $($Assume interest payments are semiannual and it has a par value of $$5,000.)$

Compute the taxable equivalent yield $($for an investor in the $30$ percent marginal tax bracket$).$

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.