The diagram illustrates what happens when an import quota is imposed in the market for good X. What is the change in domestic supply and how large is the import quota?
- Achange in domestic supply q1 to q2; size of import quota q2 to q3
- Bchange in domestic supply q1 to q3; size of import quota q1 to q4
- Cchange in domestic supply q1 to q4; size of import quota q1 to q2
- Dchange in domestic supply q2 to q3; size of import quota q3 to q4