Agriculture Net Income:

\[ NI = (CR - OC) \cdot C \cdot OP \]

Where:

• \(NI\) is the net income in currency (P/yr).
• \(CR\) is the custom rate in currency per hectare or per kilogram (P/ha or P/kg).
• \(OC\) is the operating cost in currency per hectare or per kilogram (P/ha or P/kg).
• \(C\) is the capacity in hectares per day or kilograms per day (Ha/day or Kg/day).
• \(OP\) is the operating period in days per year (days/year).