The consumer surplus of Alexis, Bruno, and Camila increases by $7.
<h3>What is consumer surplus?</h3>
Consumer surplus is the difference between the willingness to pay of a consumer and the price of the good.
Consumer surplus = willingness to pay – price of the good
Initial consumer surplus = ($12 - $6) + ($8 - $6) = $8
New consumer surplus = ($12 - $3) + ($8 - $3) + ($4 - $3) = $15
Change in consumer surplus = $15 - $8 = $7
Here is information on the question:
Alexis is willing to pay $12, Bruno is willing to pay $8; and Camila is willing to pay $4. The market price is $6.
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