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 $440,000 initially and is expected to increase revenue $170,000 per year every year. The software and installation from Vendor B costs $335,000 and is expected to increase revenue $140,000 per year. Manuel's uses a 4 year planning horizon and a 10% per year MARR. Part a Your answer is correct. Determine the internal rate of return for Vendor A. \% Round entry to two decimal places. The tolerance is \pm 2 . eTextbook and Media Attempts: 1 of 3 used Part b Determine the internal rate of return for Vendor B. \% Round entry to two decimal places. The tolerance is \pm 2