The Matterhorn Corporation is trying to choose between the following two mutually exclusive design projects: a. If the required return is 16 percent, what is the profitability index for each project? If the required return is 16 percent and the company applies the profitability index decision rule, which project should the firm accept? b. If the required return is 16 percent, what is the NPV for each project? If the company applies the NPV decision rule, which project should it take