The amount that Bill will be able to roll into an individual retirement account (IRA) if he leaves Excellent Corp. at the end of 4 years is: $15,000.
Graded vesting can be defined as the process in which an employee becomes the owner of the money an employer contributed into the employee individual retirement account.
Individual retirment account (IRA) is an account that enables a person to save for retirement or ahead of retirement.
Therefore the amount that Bill will be able to roll into an individual retirement account (IRA) if he leaves Excellent Corp. at the end of 4 years is: $15,000.
Learn more about Graded vesting here:https://brainly.com/question/1637877
#SPJ1