The Table Below Shows Units of Wheat and Cloth Produced

The table below shows units of wheat and cloth produced by each worker per day in both the countries.Table 20.1

-According to Table 20.1, the opportunity cost of producing one unit of wheat in India equals:

A) half a unit of cloth.
B) one-third of a unit of cloth.
C) 2 units of cloth.
D) 4 units of cloth.
E) one-fourth of a unit of cloth.