Which factors positively affect lifetime income? check all that apply.
post-secondary education
employee benefits
salary
vocational training throughout career
high cost of living
early retirement

Following factors positively affect lifetime income:
- post-secondary education - having additional education is always a plus, because it gives you more possibilities to work and to improve your income, 
- employee benefits -
- salary : the bigger the salary the bigger the pension

I'm not sure exactly but my best guess would be 1/4