Seleccionar la función primordial, ingresar los años de antigüedad, el porcentaje de zona de la institución y los datos sobre asignaciones familiares.
| Mistake | Correction | | :--- | :--- | | Forgetting family labor hours | Ask each member daily or use a weekly recall survey. | | Ignoring auto-consumption | Ask: "If you had to buy that tomato at the market, how much would you pay?" | | Not depreciating tools | A $200 manual sprayer lasts 4 years = $50/year cost. | | Confusing "profit" with "income" | Profit excludes family labor; FFI includes it. | calculadora uepc