- Business Mathematics | (Brown) CRN 73855 (Sep. The Blue Ski Resort plans to install a new chair lift. Construction is estimated to require an immediate outlay of $250,000. The life of the lift is estimated to be 15 years, with a salvage value of $77,000. Cost of clearing and grooming the new area is expected to be $32,000 for each of the first three years of operation. Net cash inflows from the lift are expected to be $36,000 for each of the first five years and $67,000 for each of the following ten years. Your answer must be correct to exactly 4 dcimal places and must not include the percent sign, "\%.". Use Excel's Internal Rate of Return Function, do not calculate this by hand. Internal Rate of Return =