A(n) is an agreement in which the client agrees not to use the vendor's services to compete directly with the vendor, and for the client not to use vendor information to gain a better deal with another vendor. select one:
a. statement of indemnification
b. intellectual property assurance
c. nondisclosure agreement
d. covenant not to compete

White truffles are a very prized and rare edible fungus that grow naturally in the countryside near alba, italy. suppose that it costs $200 per day to search for white truffles. on an average day, the total number of white truffles (t) found in alba is t = 20x − x 2 , where x is the number of people searching for white truffles on that day. white truffles can be sold for $100 each. if there is no regulation, how many more people will be searching for white truffles than the socially optimal number?