Can someone explain what equation was used to calculate thediscount rate as the years went by? Or how did the value change1.0000 in year 0 to 0.8929 in year 1 and than 0.7972 in year 2 andso on. Assuming monetary benefits of an information system at \( \$ 85,000 \) per year, one-time costs of \( \$ 75,000 \), recurring costs of \( \$ 35,000 \) per year, a discount rate of 12 percent, and a fi 2 answers