Suppose that many stocks are treded in the market and that it is possible to borrow at the risk-free rate, . The characteristics of twe of the stocks are as follows: Required: a. Caiculate the expected rate of return on this risk-free portfolio? (Hint Can a particular stock portfolio be focmed to create a "synthetic" risk-free asset?) (Round your answer to 2 decimal places.) b. Could the equilibrium x be greater than rate of return? Yes No