Suppose News Corporation shares have a beta of $1\mathrm{.}4,$ whereas CBA shares have a beta of $0\mathrm{.}83.$ If the risk$-$free interest rate is $4\mathrm{.}4\%$ and the expected return of the market portfolio is $11\mathrm{.}4\%,$ according to

the CAPM,

a$.$ what is the expected return of News Corp shares?

b$.$ what is the expected return of CBA shares?

c$.$ what is the beta of a portfolio that consists of $55\%$ News Corp shares and $45\%$ CBA shares?

d$.$ what is the expected return of a portfolio that consists of $55\%$ News Corp shares and $45\%$ CBA shares?

a$.$ What is the expected return of News Corp shares?

News Corp's expected return is $\%.($Round to one decimal place.$)$