Jennifer Played on Her College's Golf Team Each Year She $\mu$

Jennifer played on her college's golf team each year she was in college. At the conference playoff she shot an 80 every year. Given the parameters for the other players, which year represented Jennifer's best performance? (Low scores are better in golf.)

A) year 1: $\mu$ = 85, $\sigma$ = 10
B) year 2: $\mu$ = 86, $\sigma$ = 8
C) year 3: $\mu$ =86, $\sigma$ =6
D) year 4: $\mu$ = 92, $\sigma$ = 8.