Which Person Is More Likely to Have More Wealth Upon

Which person is more likely to have more wealth upon retirement?

A) A person who has invested 5 percent of their income into an equity mutual fund beginning at age 22.
B) A employee who bought some of their company's stock beginning at age 30.
C) A person who has invested 5 percent of their income into a stock portfolio beginning at age 50.
D) A person who has invested 5 percent of their income into government bonds beginning at age 22.