What is the present worth cost in the beginning of 2020 dollars using a real rate of return of 9.0% of a machine costing 140,000 based on the forecasted actual costs in each year of operation stated in those period dollar amounts is as shown below and the assumed inflation used in preparing the estimates is 20.5%.

Operating Cost 2020	Operating Cost 2021	Operating Cost 2022	Operating Cost 2023	Operating Cost 2024	Operating Cost 2025
8,000	12,400	15,600	20,500	23,800	19,800