Bloopers analysts have come up with the following revised estimates for its magnoosium mine: Range Pessimistic Optimistic Initial investment + 30 % 25 % Revenues 15 % + 20 % Variable costs + 15 % 20 % Fixed cost + 30 % 20 % Working capital + 30 % 50 % Conduct a sensitivity analysis for each variable and range and compute the NPV for each. Use Spreadsheet 10.1 and accompanying data as a starting point for the analysis.