If Ashley left Woodridge Preparatory School today after 5 years of service, what would be her vested retirement balance? Hint: Vesting is based on years of service, NOT years of participation. The plan has a 2- to 6 year graduated vesting schedule and she has been a participant for 4 year, the total balance of her account is $16,500. Vesting for Nonmatch Vesting for matching Years of service Contributions Contributions/Top-Heavy Plans 1 0% 0% 2 20 20 3 40 40 4 60 60 5 80 80 6 100 100.