Suppose that you are selling your computer, which you acquired at $12,000, to your neighbor, who is the sole potential buyer. Moreover, your neighbor values the product at $18,000. If your neighbor offers the price of $11,000 for your computer, how much will his/her consumer surplus be?

Choices: $6,000, $7,000, $11,000, $1,000, or none of the choices is the answer

Show solutions how you got the answer please.