Ganado and Equity Risk Premiums. Maria Gonzalez, Ganado's Chief Financial Officer, estimates the risk$-$free rate to be $3\mathrm{.}50\%,$ the company's credit risk premium is $4\mathrm{.}50\%,$ the domestic beta is estimated at $0\mathrm{.}97,$ the international beta is estimated at $0\mathrm{.}73,$ and the company's capital structure is now $75\%$ debt. The before$-$tax cost of debt estimated by observing the current yield on Ganado's outstanding bonds combined with bank debt is $7\mathrm{.}90\%$ and the company's effective tax rate is $35\%.$ Calculate both the CAPM and ICAPM weighted average costs of capital for the following equity risk premium estimates.

a$.8\mathrm{.}00\%$

b$.6\mathrm{.}90\%$

c$.4\mathrm{.}90\%$

d$.4\mathrm{.}00\%$

a$.$ Using the domestic CAPM, what is Ganado's weighted average cost of capital if the firm's equity risk premium is $8\mathrm{.}00\%?$

$\%($Round to two decimal places.$)$