Rank the following three stocks by their risk-return relationship, best to worst. Night Ryder has an average return of 9 percent and standard deviation of 28 percent. The average return and standard deviation of WholeMart are 10 percent and 35 percent; and of Fruit Fly are 15 percent and 20 percent.

Rank the following three stocks by their total risk level, highest to lowest. Night Ryder has an average return of 10 percent and standard deviation of 30 percent. The average return and standard deviation of WholeMart are 11 percent and 40 percent; and of Fruit Fly are 16 percent and 35 percent.