In mid-July, the Jeffersons sell their home to the Trainers. The Jeffersons know that their oil furnace doesn't work. The

a. Jeffersons have a duty to disclose the problem.

b. Jeffersons have no obligation to disclose the problem.

c. Jeffersons don't have to disclose the problem because a broken furnace does not affect the value of a home.

d. rule of caveat emptor, or "buyer beware," applies.