Your portfolio is made up of R50 000 invested in a share with a

beta of 1,8, R100 000 invested in a share with a beta of 0,8, and R150 000

invested in a share with a beta of 1,2. The risk-free interest rate is 7%. This

portfolio last year had a required rate of return of 13%. This year, nothing

has changed except for the fact that the market risk premium has increased by 2

percent (two percentage points). What is the portfolio's current required rate

of return?