Are the following statements true or false? Explain.

$($a$)$ Shares with a beta of zero o$$er an expected rate of return of zero.

$($b$)$ TheCAPMimpliesthatinvestorsrequireahigherreturntoholdhighlyvolatile securities$.$

$($c$)$ You can construct a portfolio with a beta of $0\mathrm{.}75$ by investing $0\mathrm{.}75$ of the budget in T$-$notes $($the risk$-$free asset$)$ and the remainder in the market portfolio.