Zelda is a recent fashion graduate. She started her own apparel store with an investment of$300,000. In the first year she made a profit of $60,000. If she had taken up a job as a fashioneditor for a magazine, she would have earned $50,000 as salary per year. Also, she could haveinvested her capital, $300,000, in treasury bonds and earned an interest of $12,000.

Thus, theamount $62,000 ($50,000 + $12,000) would be Genevieve's:

a. social cost.

b. break-even price.

c. reservation price.

d. opportunity cost.

David paid $975,000 for two beachfront lots in coastal south carolina, with the intention of building residential homes on each. two years later, the south carolina legislature passed the beachfront management act, barring any further development of the coast, including david's lots. when david files a complaint to seek compensation for his property, south carolina refuses, pointing to a passage in david's own complaint that states "the beachfront management act [was] properly and validly designed to south carolina's " is south carolina required to compensate david under the takings clause?