Final answer:
Robins should put the earnest money into a trust account, as this is the standard procedure for handling such funds in real estate transactions to maintain their safety and adhere to legal requirements.
Step-by-step explanation:
When Robin, as a real estate broker, receives an offer to purchase on her client's home and is handling earnest money, the appropriate action to take is C. put the earnest money in a trust account. Earnest money is a deposit made to a seller showing the buyer's good faith in a transaction.
Real estate regulations typically require that earnest money be held in a trust or escrow account until the real estate transaction is complete, ensuring the funds are safe and cannot be used for any other purpose. This account is usually maintained by the brokerage firm or the escrow company. Depositing the earnest money in this manner ensures that the transaction adheres to legal and professional standards.