Answer:
a) Able to separate consumers into different groups based on demand elasticities
Explanation:
A firm is able to practice the price discrimination when following conditions are fulfilled:
- The firm should have market power and must be a price maker.
- The firm must be able to differentiate its customer base into different groups based on their demand elasticity.
- The firm is able to stop the cross selling between different groups of customers that are charged different prices.
Therefore, For firm to engage to price discrimination, it must be able to separate consumers into different groups based on their demand elasticities.