19. Amazon (AMZN), Netflix (NFLX) and Tesla (TSLA) have betas of 1.13, 0.83, and 2.06 respectively. You receive a sign-up bonus of $10,000 for your first job which you decide to invest in a portfolio consisting of these three stocks. You invest $2,500 in AMZN, $3,500 in NFLX, and $4,000 in TSLA What is the appropriate rate of return you should require on your portfolio if the risk-free rate is 2 per cent and the return on the S&P 500 index is 9 per cent? [5 points)