Refer to p. 1 of the 2020 Annual Report (p. 5 of the PDF). Which of the following best describes the "public mission" of the Freddie Mac? Group of answer choices Improving housing affordability in the United States by building more low-cost rental units. Improving housing affordability in the United States by purchasing residential mortgage loans originated by lenders. Improving housing affordability in the United States by originating loans and lending directly to mortgage borrowers. Improving housing affordability in the United States by offering tax incentives for homeowners, notably, the mortgage interest deduction