A Foundation is funding for a community project and the following information is given: Award amount: $20 million (end of) first year, decreasing by $5 million per year for 3 additional years: local government will fund during the first year only Annual costs: $2 million per year for 10 years, as proposed Benefits: Reduction of $8 million per year in health-related expenses for citizens Disbenefits: $0.6 million per year for removal of arable land and commercial districts Use the B/C and PI ratios to determine if this grant proposal is economically justified over a 10-year study period. The foundation's discount rate is 6% per year