Heavy Duty Company, a manufactured of power tools, decides to offer a rebate of $130 on its 16-inch mid-range chain saw, which currently has a retail price $490. Heavy Duty's marketers estimate that, as a result of the rebate, sales of this model will increase from 60,000 to 80,000 units next year. The profit margin for Heavy Duty before the rebate is $180. Based on the information, is this decision to give the rebate a wise one?