$($Composition as an Alternative to Inheritance$)$ Many programs written with inheritance

could be written with composition instead, and vice versa. Rewrite class BasePlusCommissionEm$-$

ployee of the CommissionEmployee$$BasePlusCommissionEmployee hierarchy to use composition

rather than inheritance. After you do this, assess the relative merits of the two approaches for de$-$

signing classes CommissionEmployee and BasePlusCommissionEmployee, as well as for object$-$orient$-$

ed programs in general. Which approach is more natural? Why?