You are investing in a four stock porftolio. You have $1,800 to invest. You invest $400 in Coke stock, $500 in Winnabago Stock $300 in General Motors stock and $600 in Tesla Stock. Treasury Bills are currently paying 3.72% and the S&P 500 stock portolio is expected to return 9.38 % this year. The Betas are listed below. Coke .55 Winnabago 2.3 GM 1.35 TESLA 1.97. What is the expected return on your stock portfolio