Currently, Meyers Manufacturing Enterprises $($MME$)$ has a capital structure consisting of $35\%$ debt and $65\%$ equity. MME's debt currently has a $7\mathrm{.}4\%$ yield to maturity. The risk$-$free rate $($rRF$)$ is $5\mathrm{.}4\%,$ and the market risk premium $($rM $$ rRF$)$ is $6\mathrm{.}4\%.$ Using the CAPM, MME estimates that its cost of equity is currently $12\mathrm{.}3\%.$ The company has a $25\%$ tax rate.

a$.$ What is MME's current WACC? Do not round intermediate calculations. Round your answer to two decimal places. b$.$ What is the current beta on MME's common stock? Do not round intermediate calculations. Round your answer to four decimal places. c$.$ What would MME's beta be if the company had no debt in its capital structure? $($That is$,$ what is MME's unlevered beta, bU$?)$ Do not round intermediate calculations. Round your answer to four decimal places. d$.$MME's financial staff is considering changing its capital structure to $45\%$ debt and $55\%$ equity. If the company went ahead with the proposed change, the yield to maturity on the company's bonds would rise to $7\mathrm{.}9\%.$ The proposed change will have no effect on the company's tax rate.

What would be the company's new cost of equity if it adopted the proposed change in capital structure? Do not round intermediate calculations. e$.$What would be the company's new WACC if it adopted the proposed change in capital structure? Do not round intermediate calculations. Round your answer to two decimal places.