please help me find internal rate of return

New Heritage Private Label Total Production Division Data: Dolls Accessories Dolls Accessories Revenue ($ millions) Operating Income (S millions) 80 14 26 5 $125 4.4 0.5 2.3 0.3 $7.5 Initial Expenditures (S thousands) Upfront R&D Upfront Marketing Investment in Working Capital Property, Plant& Equipment Total 2010 2011 $ 841 $360 $1,000 $ 4,610 $5,811 $ 1,000 Application Development Personnel Costs: Web Application Developers Database Manager Systems Integration Specialist Total Cost Salary $ 150 Number Total $150 160 1 160 $ 125 125 $ 435 New Heritage Private Label Total Production Division Data: Dolls Accessories Dolls Accessories Revenue ($ millions) Operating Income (S millions) 80 14 26 5 $125 4.4 0.5 2.3 0.3 $7.5 Initial Expenditures (S thousands) Upfront R&D Upfront Marketing Investment in Working Capital Property, Plant& Equipment Total 2010 2011 $ 841 $360 $1,000 $ 4,610 $5,811 $ 1,000 Application Development Personnel Costs: Web Application Developers Database Manager Systems Integration Specialist Total Cost Salary $ 150 Number Total $150 160 1 160 $ 125 125 $ 435