Unity

Zero

Infinite

Can take any positive constant value 

Marginal product diminishes and average product increases

Average product diminishes and average product increases

Both marginal product and average product diminish

Both marginal product and average product increase

Marginal product of the variable factor increases through out this stage

Marginal product increase at the increasing rate through out this stage

Average product of the variable factor increases through out this stage

Total product increase at the increasing rate throughout this stage 

Marginal product increase

Marginal product decrease

Marginal product is at its maximum

Marginal product becomes zero

1 and 2 only

2 and 3 only

1 and 3 only

1, 2 and 3

Opportunity cost

Implicit cost

Explicit cost

Real cost

Money expenses incurred on factors

The imputed value of the input owned by the firms

The next best alternative

None of these

1 and 2 only

2 and 3 only

1 and 3 only

1, 2 and 3

An increase in equilibrium price and increase in equilibrium quantity

A decrease in equilibrium price and increase in equilibrium quantity

A increase equilibrium price and decrease in equilibrium quantity

A decrease equilibrium price and decrease in equilibrium quantity

1 and 2 only

2 and 3 only

1 ,2 and 3 only 

1, 2 ,3 and 4 only