B/C Analysis Modified B/C & PI 9. A privately funded wind-based electric power generation company in the southern part of the country has developed the following estimates (in $1000) for a new turbine farm. The MARR is 10% per year, and the project lfe is 25 years. Calculate a) the profitability index and ( b) the modified B/C ratio. B/C Analysis Modified B/C & PI 9. A privately funded wind-based electric power generation company in the southern part of the country has developed the following estimates (in $1000) for a new turbine farm. The MARR is 10% per year, and the project lfe is 25 years. Calculate a) the profitability index and ( b) the modified B/C ratio