Final answer:
Providing guidance in writing a credit explanation letter is not viewed as unethical for a mortgage broker, while options such as rate locking with multiple lenders, delaying closings for extra income, and having blank forms signed are unethical. The correct option is C
Step-by-step explanation:
Among the choices given, C. Provide guidance in writing a credit explanation letter is not considered unethical for a mortgage broker. Ethical mortgage brokerage requires transparency and adherence to regulations. Providing guidance to properly explain a borrower's credit situation aligns with ethical standards, as it helps lenders make informed decisions.
In contrast, A. Locking the interest rate with two lenders at once, B. Delaying a closing to earn additional income, and D. Having a buyer sign forms in blank for convenience are practices that can be considered unethical in the mortgage industry.