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Number of additional skiers per day Average number of days per year that weather conditions allow skiing at Wolf Valley Useful life of expansion (in years) Average cash spent by each skier per day Average variable cost of serving each skier per day Cost of expansion Discount rate 12% E12-35A. Calculate NPV with and without residual value (Learning Objective 4) Refer to the Wolf Valley Data Set in E12-34A. Requirements 1. What is the project's NPV? Is the investment attractive? Why or why not? 2. Assume that the expansion has no residual value. What is the project's NPV? Is the investment still attractive? Why or why not