The Following Diagram Shows a Country Which Is a Price-

The following diagram shows a country which is a price- taker in world trade for a particular product. It initially has a tariff on the product as shown by the vertical difference between the two world supply curves.
If a tariff were imposed, the tax revenue received would be area(s)

A) 1, 2, 3 and 4
B) 1 and 3
C) 3
D) 2 and 4