a$.$ Calculate the contribution now being made to common expenses by Department A$,$ Department B$,$ and by the combination of other departments. Round answers to the nearest dollar.Harris Department Store Current Operations Departments s b$.$ Prepare a segment performance report assuming an additional $\backslash (\backslash$$ $10,000\backslash )$ spent to promote Department A$\text{'}$s product would result in a $20\backslash \%$ increase in sales volume for that product. No other revenues or costs would be affected. Round answers to the nearest dollar.Harris Department Store Current Operations Departments

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Total c$.$ Prepare a segment performance report assuming that discontinuing Department A products would result in a $35\backslash \%$ increase in the number of Department B products sold. The additional sales personnel needed to handle the increase would cost $\backslash$$$48,000.$ No other revenues or costs would be affected. Round answers to the nearest dollar.Harris Department Store Current Operations Departments