please answer it with formula and calculation not excel.

thank you.

Urban infrastructures that support a community are sometimes in the news; we seldom think about them except when there is a disruption of service. A small city has just replaced a water storage tank and associated feeders from it throughout the community. It is estimated that the annual service requirements will be $40,000 the first year, with $10,000 increases in each subsequent year for 8 years. The community's time value of money is 4%. Determine the present worth of these maintenance expenses using each of two different methods. This will serve as a check on your work. Click here to access the TVM Factor Table Calculator. $ Carry all interim calculations to 5 decimal places and then round your final answers to a whole number. The tolerance is 50. Determine the future worth of these maintenance expenses at the end of year 8 . Click here to access the TVM Factor Table Calculator. $ Carry all interim calculations to 5 decimal places and then round your final answers to a whole number. The tolerance is 50