Return on Investment
Return on Investment Formula | 
| \( ROI \;=\; \dfrac{ NI }{ COI } \) | 
| Symbol | 
| \( ROI \) = return on investment | 
| \( COI \) = cost of investment | 
| \( NI \) = net income | 
Return on investment, abbreviated as ROI, is the benefit an investor will receive in relation to their investment cost.

Return on Investment Formula | 
| \( ROI \;=\; \dfrac{ GR - COI }{ COI } \) | 
| Symbol | 
| \( ROI \) = return on investment | 
| \( COI \) = cost of investment | 
| \( GI \) = gross Income | 
