Final answer:
In an Alabama real estate transaction, the licensee must furnish an estimated closing statement to the buyer when the offer is signed by the purchaser. The correct option is B.
Step-by-step explanation:
In the context of an Alabama real estate transaction, when an Alabama licensee procures a written offer from a buyer for a single-family residential transaction, they are required to prepare and furnish to the buyer a complete estimated closing statement.
The correct option for when to provide this document is: B. At the time the offer is signed by the purchaser. This means that the Alabama licensee has the responsibility to ensure that the potential buyer is fully informed of all estimated costs that are anticipated to close the transaction, including but not limited to, closing costs, title insurance, inspection fees, and any other relevant expenses.