^{Hello, can you help me with why the answer is "none of these" Screenshot below. Thanjk you}

Which of the following conditions must be satisfied for price discrimination to be successful?

The seller must have a different product for each group of customers

The seller must be able to identify each customer as having a high or low value

You Answered

The seller must be able to prevent arbitrage between the two groups

Correct Answer

None of these