21.
Normal profit is called normal because

22.
Supply curve is

23.
A vertical supply curve parallel to the price axis implies that the elasticity of supply is

24.
With which of the theories of wages, is the name of John Stuart Mill associated?

25.
If a firm shuts down temporarily, it will incur loss equal to

26.
During a particular year, farmers experienced a dry weather. If all the other factors remain constant, farmers supply curve for wheat will shift

27.
The supply of a commodity refers to

28.
Economic rent can accrue to

29.
Under perfect competition

30.
When supply of a commodity increases without change in price, it is called