3- Raphael Restaurant is considering the purchase of a $12,000 souffl maker. The souffl maker has an economic life of five years and will be fully depreciated by the straight line method. The machine will produce 1,900 souffls per year, with each costing $2.20 to make and priced at $5. Assume that the discount rate is 14 percent and the tax rate is 34 percent. Should Raphael make the purchase