The figure below

, shows theone-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: -20% return 10% probability

B: -5% return 20% prob

C: 0% return 15% prob

D: 5% return 25% prob

E: 20% return 30% prob