The engineering team at Manuel's Manufacturing, Inc., is planning to purchase an enterprise resource planning (ERP) system. The software and installation from Vendor A costs \(\$ 380,000\) initially and is expected to increase revenue \(\$ 125,000\) per year every year. The software and installation from Vendor B costs \(\$ 280,000\) and is expected to increase revenue \(\$ 95,000\) per year. Manuel's uses a 4-year planning horizon and a 10 percent per year MARR.

a. What is the present worth of each investment?

b. What is the decision rule for determining the preferred investment based on present worth ranking?

c. Which ERP system should Manuel purchase?