The Betas for the Market Portfolio and Risk-Free Security Are

Short Answer

The betas for the market portfolio and risk-free security are:
$\begin{array}{c}\begin{array}{c}\\a.\\b.\\c.\\d.\\e.\\\end{array}\begin{array}{c}\text { Market } \\\hline 0 \\1 \\-1 \\1 \\2\end{array}&\begin{array}{c}\text { Risk-free} \\\hline1 \\0 \\1 \\-1 \\1\end{array}\end{array}$