SPC Inc. has a capital structure of $33\%$ debt and $67\%$ equity, its tax rate is $25\%,$ and its beta $($levered$)$ is $0\mathrm{.}60.$ Based on the Hamada equation, what would the firm's beta be if it used no debt, i$.$e$.,$ what is its unlevered beta, bU$?$ Suppose in the question above, SPC decided to change its capital structure such that it has $60\%$ debt and $40\%$ equity. What would the firm$$s new levered beta be$?$