The answer is that, "Mary was conducting an experiment".
Mary has done the experiment by raising the price of cookies every week, and when her experiment finished, she concluded a result from her experiment about the price of cookies which is more profitable. So in daily life we do many experiments to get conclusion from them sometimes it takes more time some times less.
Answer:
$2,000
Explanation:
Calculation to determine the consumer surplus
Consumer surplus=$30,000-$28,000
Consumer surplus=$2,000
Therefore consumer surplus is $2,000
