How do you write a Outsourced Services Return on Investment Calculator?

Outsourced Services Return Investment Calculator Year Year Year Year Year Total Setup Costs Outsourced Staffing Costs Foreign Currency Fluctuation Costs Software Upgrades Hardware Upgrades Added Management Costs Transition Costs Cost Total Costs Reduced Salary Costs Reduced Employee Benefits Costs Increased Productivity Costs Reduced Infrastructure Costs Reduced Office Supply Costs Reduced Equipment Costs Benefit Total Benefits Net Savings Ratio DIV DIV DIV DIV DIV DIV ROI DIV DIV DIV DIV DIV DIV