Let purchasing a network of PCs for a department at your workplace or, alternatively, consider outfitting laboratory of PCs for students at university. For the condition selected above, either buying network of PCs for a department at workplace, or outfitting laboratory of PCs for students at university, evaluate costs and benefits for system. Then compute net present value (NPV) and return on investment (ROI) and present break-even analysis (BEA). Suppose discount rate of 12 percent and five-year time horizon.