Carolina is trying to sell her car, and the lowest amount she is willing to accept is $2,000. Abdul is interested in buying the car, and although he is willing to pay $2,500, he negotiates a price of $2,100. How much consumer surplus does Abdul attain, and what is the total surplus?
a) Consumer surplus = $100; Total surplus = $2,100
b) Consumer surplus = $400; Total surplus = $500
c) Consumer surplus = $100; Total surplus = $500
d) Consumer surplus = $400; Total surplus = $2,100