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 O b. a professional who bought some of their company's stock beginning at age 30 O c. a person who has invested 5 percent of their income into a stock portfolio beginning at age 50 O d. a person who has invested 5 percent of their income into government bonds beginning at age 22