Final answer:
Under the Illinois Real Property Disclosure Act, Betty is required to disclose the small leak in a pipe under the kitchen sink, even if it has been professionally repaired.
Step-by-step explanation:
Under the Illinois Real Property Disclosure Act, Betty is required to disclose the small leak in a pipe under the kitchen sink, even if it has been professionally repaired. The correct answer is a) Yes, since she knows she has had a problem in the past. The Act requires sellers to disclose any known material defects or conditions that could affect the value or desirability of the property. The fact that she hired a licensed plumber and the problem has been fixed does not exempt her from the obligation to disclose it.