Answer:
Consumer surplus
Explanation:
Consumer surplus is the difference between the willingness to pay of a consumer and the price the consumer pays.
For A, the consumer surplus is $49 - $44 = $5
For B, the consumer surplus is $71 - $63= $8
Producer surplus is the difference between the least price a producer is willing to sell his product and the price he actually receives from the sale of the product.
I hope my answer helps you