The seller of a dry cleaning business has agreed not to open another dry cleaning business for two years within a one-mile radius of the sold business. Such an agreement: a. is void as against public policy. b. is void as usurious. c. is valid and enforceable. d. is void as unconscionable.

c. is valid and enforceable

Explanation:

In business,  this is called a Non-Compete Clause.

Non-Compete Clause can prevent a certain individual or organization to compete with another business , as long as both parties con sensually sign the agreement.

Typically, Non-Compete clause is required after all the parties involved have some sort of affiliation toward one another/

for example:

1. One party just bought the business from another party.

2. One party is an ex-members/ex-employees of another party. Making them know internal secrets of that other party.

d, conspicuous consumption is when you try to increase your wealth or social status (and in the case he's trying to create the perception of wealth considering he can't really afford it)

answer may be d i think