Answer:
type A consumers and type B consumers.
Explanation:
The willingness to pay of a consumer is the highest amount a consumer would be willing to pay for a good or service.
The willingness to pay of type a consumers is $150 which is greater than the price of suit, so a trade can take place .
For type b consumers, their willingness to pay is $15p which is greater than the price of a suit. So, a trade can take place for type b consumers.
I hope my answer helps you