Please solve the case study at the end of chapter 13 on the Water Treatment Plant. Assume the plant was built in 2015. Solve all the questions in that case study taking into account the current time value of money in 2021). Consider an inflation rate of 5% and a rate of return = 6%. Please solve the case study at the end of chapter 13 on the Water Treatment Plant. Assume the plant was built in 2015. Solve all the questions in that case study taking into account the current time value of money in 2021). Consider an inflation rate of 5% and a rate of return = 6%