According to the Coase theorem, private parties can negotiate to an efficient solution in the presence of externalities if the is (are) relatively low.Suppose Jeremy, Francis, and Andrew are part of Mu Epsilon Nu, a college fraternity known for its very loud, rambunctious weekend parties. The parties annoy many of the residents in nearby apartment complexes due to the loud music and blaring neon lights. This is a(n)example:________
a.external cost
b. positive externality
c. neither