All of the following statements are true regarding Government National Mortgage Association pass-through certificates EXCEPT: A GNMA securities are guaranteed by the U. S. Government B Dealers typically quoted GNMA securities at 50 basis points over equivalent maturity U. S. Government Bonds C Credit risk for GNMAs is the same as for equivalent maturity U. S. Government Bonds D Reinvestment risk for GNMAs is the same as for equivalent maturity U. S. Government Bonds