Your portfolio consists of $80,406 invested in a stock that has a beta = 1.2,

$97,421 invested in a stock that has a beta = 0.8, and $99,775 invested in a

stock that has a beta = 1.5. The risk-free rate is 1.8%. Last year this portfolio had

a required return of 5.7%. This year nothing has changed except that the market

risk premium has increased by 4.2%. What is the portfolios current required rate

of return?