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 4year planning horizon and a 10% per year MARR. Click here to access the TVM Factor Table Calculator Part a What is the discounted payback period of each investment? Vendor A: Vendor B: years years Carry all interim calculations to 5 decimal places and then round your final answers to 1 decimal place. The tolerance is \pm 0.2 . eTextbook and Media Attempts: 0 of 3 used Part b Which ERP system should Manuel purchase if his decision rule is to select the system with the shortest DPBP? eTextbook and Media Attempts: 0 of 3 used Part c Does this decision agree or disagree with the results of the present worth analysis