The return on bonds is 8%. The return on stocks have a 60% chance of having returns of 20% and a 40% chance of returns being 0%. a. (2 points) What is the average return of holding stock? b. (3 points) Using s as the share of wealth in stocks, what is the average return on wealth? Calculate the average return on wealth if s = 0, s = 0.5, and s = 1. c. (5 points) Draw the risk-return trade-off.