Abusiness that sells watches that are more inexpensive than the watches a competitor sells is using which type of competition

Thirty years ago daniel bought a plot of land for $50,000 when the cpi was 50. now the cpi is 180 and he sold the land for $180,000. what issue might inflation cause for daniel?

Identify which of the twelve basic functions listed below fit the description given.

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?