Final answer:
Harry's question about the experience required to register as a mortgage broker cannot be answered with the provided mortgage loan information. The exact experience required is determined by state regulatory agencies and should be directly verified with them.
Step-by-step explanation:
The question regarding Harry, a New York real estate salesperson interested in registering as a mortgage broker, involves understanding regulatory requirements for professionals in the mortgage industry. However, the information provided about mortgage loans, interest rates, and inflation does not directly answer the question about the years of experience required for Harry to register as a mortgage broker. Typically, to become a mortgage broker, regulatory bodies may require a certain amount of documented experience in working with residential mortgage loans. The exact requirement can vary by state and should be verified with the New York State Department of Financial Services or an equivalent regulatory agency for accurate and up-to-date information.