Regarding conventional mortgages, which of the following statements is TRUE? They are supported by federal and/or state government agencies such as the FHA or the VA. Mortgage insurance is handled by private mortgage insurance companies. III. They tend to require very low down payments by the home buyer (often below the standard down payment level of 5%). They can often offer mortgage interest rates below market rates. They involve lending/borrowing in the private markets. I, II, and IV Il and V II, III, IV, and V II, and IV I and III VI. V