The next two questions pertain to the problem below. You own a 4 security portfolio. You invested $5,000 in stock W, $20,000 in stock X, $15,000 in stock Y and $10,000 in a treasury bond. The expected returns on these securities are negative 4%, +8%, +12.5% and +3% respectively. Note: only stock W reports a negative expected return. 19. What is the expected return on your portfolio? Below 6% Between 6% - 6.4% Between 6.4% - 6.8% Between 6.8% - 7.2% Between 7.2%- 7.6% Greater than 7.6%