Deceptive trade practices, as codified in the Deceptive Trade Practices Act, are strictly prohibited in real estate practice. Three of the following instances are examples, but one is acceptable. Which one is it?
A) Telling a buyer that a property's price has been drastically reduced.
B) Bragging about a warranty that doesn't apply to a given claim.
C) Disparaging competitors with non-factual innuendos.
D) Telling a buyer that an air conditioner will easily last another five years.