Which of the Following Is True Concerning an Assumable Mortgage

Multiple Choice

Which of the following is true concerning an assumable mortgage?

A) The aggregate percent of the mortgage pool that has been prepaid prior to the month under consideration.
B) The mortgage contract is transferred from the seller to the buyer of a house.
C) The required interest spread of a pass-through security over a treasury when prepayment risk is taken into account.
D) A mortgage-backed bond issued in multiple classes or tranches.