(Problem 11.8) For the seven projects at National Motors’ Rock Creek plant, analyze the impact of…

(Problem 11.8) For the seven projects at National Motors’ Rock Creek plant, analyze the impact of the assumed life on the recommendations. Use a common range of 80% to 150% of estimated life and a y-axis of IRR. (a) Construct the multiple alternative sensitivity graph. (b) For a budget of $500,000, how different are the sets of recommended projects at the two extremes and at the base case?