The expted rates of return and the beta coefficients of the alternatives as supplied by an

independent analyst

Putting together a $2-$Stock portfolio of $60\%$ High Tech and $40\%$ Collections, $(1)$ what would be

the portfolio beta and the required rate of return with a $3\%$ risk free rate and $6\%$ required rate of return?

$(2)$ What would be the portfolio beta and required rate of return for a $50\%$ High Tech and

$50\%$ U$.$S$.$ Rubber portfolio?