You are presented with two types of firms, A-type and B-type. A-type firms always move together, but B-type firms move in opposite directions of each other. In terms of return characteristics, the firm will have a 20% return with a 70% probability and a -30% return with a 30% probability. This holds true for both types of firms. What is the expected return for an individual firm? -5% O 14% O 23% O 5% What is the risk-free interest rate assuming the market return is 11% and the return on Exxon is 10.35%? Company Beta Zoom 2.77 IBM 0.73 Exxon 0.90 O 5.0% 3.0% O 4.5% 4.0%