Answer:
a. $30,000.
Step-by-step explanation:
Willingness to pay is the highest amount a consumer would be willing to pay for a good or service. In this example, the willingness to pay is $50.
Consumer surplus is the difference between price of a product and the willingness to pay.
To calculate the total consumer surplus , refer to the attached image, the consumer surplus is the shaded triangle.
The total consumer surplus = 1/2 base × (height)
The height is the difference between the willingness to pay and the price of the wine = $50 -$30 =$20
The base is the total quantity purchases at $30 =
1/2 × 3 × ($20) = $30
There are 10,000 consumers, therefore consumer surplus =$30,000
I hope my answer helps you.