Your portfolio consists of $100,000 invested in a stock that has a beta of 0.8, $150,000 invested in a stock with has a beta of 1.2, and $50,000 invested in a stock that has a beta of 1.8. The risk-free rate is 7%. Last year this portfolio 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 two percentage points. What is the portfolio’s current required rate of return?