Please, I need the answer with the formula in Excel? Thank you

Given the information below, calculate the NPV's for the following scenarios: 1 Unit price goes up by 10% 2 Variable price goes up by 10% 3 Unit sales goes down by 10% 4 Fixed price goes up by 10% Base information remains the same between scenarios except for the variables 1-4. Which scenerio is the most sensitive and why? Base Info $ $ $ Unit price Variable cost per unit Fixed Costs Expected Sales Required rate of return Tax Rate Cost of machine Salvage Value Life Working Capital Increase 120 70 240,000 10,000 10% 21% 1,000,000 $ S $ . 10 Years