In job-related permanent injury cases, experts frequently adjust damage estimates to allow for expected work-life because:

A) Many workers have no idea how long they plan to work

B) National averages are always better than individual data

C) Life expectancy, probability of being laid off, and probability of injury are some of the things that can cause a person to leave the workforce

D) Most people retire as soon as they reach the age of 62

E) None of the above