The figure in the popup window, shows the one-year return distribution for RCS stock. Calculate: a. The expected return. b. The standard deviation of the return. Note: Make sure to round all intermediate calculations to at least five decimal places. a. The expected return. The expected return is %. (Round to two decimal places.) 35 30- 25- 20- Probability % 15- 10- 5- B D E . A: -20% return B: -15% return C: 0% return D: 15% return E: 20% return