In the diagram, D shows the demand curve for an agricultural commodity, while S represents the original supply curve. The government undertakes to keep farmers’ incomes at least at this starting level. The harvests in the four following years are illustrated by supply curves S1–S4. What total amount will the government have to pay to support farmers during those four later years?
- A$0
- B$3000
- C$6000
- D$10000