(Composition as an Alternative to Inheritance) Many programs written with inheritancecould be written with composition instead, and vice versa. Rewrite class BasePlusCommissionEmployee of the CommissionEmployee–BasePlusCommissionEmployee hierarchy to use compositionrather than inheritance. After you do this, assess the relative merits of the two approaches for designing classes CommissionEmployee and BasePlusCommissionEmployee, as well as for object-oriented programs in general. Which approach is more natural? Why?

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