What is a sensitivity analysis? How would you use it in planning for future expa

What is a sensitivity analysis? How would you use it in planning for future expansions? What role does this kind of analysis play in your work environment and/or your home environment? If you were trying to add a new service to your facility what ratios would you use to determine if it would be profitable and how long until it would break even?(4-5 paragraphs) detailed/under 5% plagarism/APA format/single