Use IRR analysis to calculate the following based on the attached file: lastname firstname quiz data xlsx lastname firstname quiz data xlsx 1) The best alternative based on IRR (20 points) 2) The incremental rate of return for the best alternative (20 points) Assume MARR - 20% Extra Credit: Calculate when the best alternative begins to make a profit based on the discount rate (10 points) a Upload Choose a File Capital Cost Revenue Maintenance Operations Salvage Useful Life Alternative A B 683000 738000 170000 830000 50000 22000 25000 11000 48000 52000 20 20 647000 431000 8000 4000 45000 20