assume stock a has a beta of $1\mathrm{.}2$ and stock B has a beta of $1\mathrm{.}6$; and assume the market expected rate of return is $12\%$ and the risk free rate is $6\%.$ What would the beta of a portfolio be in which you had $50\%$ of your money in stock A$,20\%$ of your money in Stock B$,$ and $30\%$ of your money in the risk free rate? What would the expected return of that portfolio be