A broker has a new salesperson who is working on leasing up a multi family property in a Spanish neighborhood. Due to little activity, the salesperson runs an ad stating "Mexican & Spanish tenants welcome!" What of the following things should the broker do$?$ A$.)$Take down the advertisement immediately. B$.)$ send salesperson to a Fair Housing class. C$.)$ Go over all Fair Housing topics with salesperson. D$.)$ the salesperson is an independent contractor which should not cause a problem for the broker.