Identify whether each of the following statements best illustrates the concept of consumer surplus, producer surplus, or neither. Even though I was willing to pay up to $36 for a jersey sweater, I bought a jersey sweater for only $31.

Identify whether each of the following statements best illustrates the concept of consumer surplus, producer surplus, or neither. I sold a used laptop for $105, even though I was willing to go as low as $100 in order to sell it.

Identify whether each of the following statements best illustrates the concept of consumer surplus, producer surplus, or neither. A local store was having a sale on watches, so I bought a watch for my brother.