You own a stock with an average return of 18.7 percent and a standard deviation of 19.6 percent. In any one given year, you have a 95 percent chance that you will not lose more than ________ percent nor earn more than ________ percent on this stock.

A) 57.9; 20.5

B) 20.5; 38.3

C) 20.5; 57.9

D) 0.9; 57.9

E) 0.9; 38.3