The Asian Development Bank (ADB) plans to provide a renewable powerplant in Mongolia. It has two alternatives to be chosen and their cash flows in real dollars are as follows:

Alternative 1 (Geothermal): It requires to invest $50 million in 2020 and the benefit to residents are $10 million, $20 million, and $25 million in 2021, 2022, and 2023, respectively.

Alternative 2 (Biomass): It requires to invest $9 million in 2020 and $3 million each year during 2021-2022. The benefit to residents are $3 million, $5 million, and $10 million in 2021, 2022, and 2023, respectively. For its emerging feature of economy, the nominal social discount rate is determined as 16 percent. According to the Bank of Mongolia, the inflation in Mongolia is as much as 8.4 percent. The base year for analysis is 2020 and all costs and benefits are generated once a year.

(1) What are the NPV and BCR of a geothermal powerplant?

2) What are the NPV and BCR of a biomass powerplant?