please solve it in 20 mins I will thumb you up

QUESTION 22 You own a portfolio that has $3,480 invested in stock A, $7430 invested in stock B. If the expected return on these stocks are 8% and 19% respectively, what is the expected return on the portfolio? O a. 10.31% O b. 15.5% O c. 10.04% O d. 16.7% QUESTION 20 A stock has a beta of 0.2, the expected return on the market is 10.3%, and the risk-free rate is 3.1%. What must be the expected return on this stock? O a. 11.38% O b. 10.1% O c. 4.54% O d. 11.74%