Answer:
1. willingness to accept
3. willingness to pay
Step-by-step explanation:
Willingness to accept is the least amount a seller is willing to sell his products. The difference between price and willingness to accept is the Producer surplus.
Willingness to pay is the highest amount a consumer would be willing to pay for a product. The difference between willingness to pay and price of a good is the consumer surplus.
I hope my answer helps you