If the Fed buys US gov securities

Refer to the scenario above. If Ron has the right to listen to music at night, how much does his neighbor need to pay him to stop playing music?

A) Any amount above $5,000 B) Any amount below $3,000 C) Any amount between $3,000 and $5,000 D) Any amount between $5,000 and $8,000

A "sticky price" model has its primary characteristic (i.e., sticky prices) due to

a. barriers to entry b. a monopoly situation c. differentiated products d. too many competitors e. a gap in marginal revenue curve