i cannot figure out to calculate 60,000 at 15% discount for 4 yrs = 171,299

3. Samista Company is trying to decide whether it should purchase a new machine. The machine costs $150,000 today and will generate cash revenues of $100,000 per year and incur variable cash operating costs of $40,000 per year. The machine has an expected life of 4 years with a salvage value in 4 years of $50,000. The machine will be depreciated from $150,000 to $50,000, on a straight-line basis over the next 4 years. The discount rate is 15%. What is the NPV associated with the investment? Assume a tax rate of 0% A) $47,402 B) $19,367 C) $49,887NPV=150,000+60000 (\$15\% discount for 4yr ) +50000 ( 15% dis) D) $182,086. E) $150,000 150000+171,299+28,588=