I need help in this question. please do it fast i have 15 minutes only

You hold a portfolio with the following securities: Percent Expected Security of Portfolio Beta Return K Corporation 0.30 P Corporation 0.40 R Corporation 0.30 1.50 1.10 .70 16.0% 12.8% 9.6% Requirements: Calculate the expected return for the portfolio. [0.5] Calculate the portfolio's Beta. [ 0.5] Interpret the Beta result. [1] General question: how do you reduce the market risk? [1]