For an investor with a portfolio consisting of $50\%$ long$-$term bonds and $50\%$ common stocks, how long should the investment be held in order to have no expected losses $($over that holding period$)?$

Between $5$ and $10$ years

Under $5$ years as exemplified by the rule $"5$ years, $5$ years, $5$ years"

Between $10$ and $20$ years

Above $20$ years.