Notable Nothings plans to issue new bonds with the same yield as its existing bonds. The existing bonds have a coupon rate of interest equal to 5.6 percent (semiannual interest payments), 12 years remaining until maturity, and a $1,000 maturity value; they are currently selling for $918 each, (a) If Notable issues new bonds today, what will be its before-tax cost of debt? (b) What will be its before-tax cost of debt if the price of its existing bonds is $730 when Notable issues the new bonds