Bloopers analysts have come up with the following revised estimates for its magnoosium mine:

	Range
	Pessimistic	Optimistic
Initial Inverstment	+45%	-20%
Revenues	-20%	+25%
Variable cost, percent of revenues	+25%	-15%
Fixed costs	+50%	-30%
Working Capital	+50%	-20%

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.