A firm's bonds have a maturity of $12$ years with a $$1,000$ face value, have an $11\%$ semiannual coupon, are callable in $6$ years at $$1,209\mathrm{.}47,$ and currently sell at a price of $$1,366\mathrm{.}50.$ What are their nominal yield to maturity and their nominal yield to call? Do not round intermediate calculations. Round your answers to two decimal places.