| Rubriques | Cost per par flat band of 20 m2 |
| Variable Charges | 900 |
| Seeds | 205 |
| Organic fertilizers | 150 |
| Chemical fertilizers | 200 |
| Plant-treating products | 45 |
| Manpower | 300 |
| Fixe Charges | 1375 |
| Hiring of field | 360 |
| Amortization of tools | 25 |
| Wages to be paid | 780 |
| Energy (water) | 210 |
| Total Charges (TC) | 2275 |
| Average Receipts (AR) | 5640 |
| Net Margin (NM) | 3365 |
| Internal Rate of Profitability (IRTP) | 59.7% |