Which of the following is true of mortgage interest rates?Pregunta $9$ Seleccione una:a$.$Longer$-$term mortgages have lower interest rates than shorter$-$term mortgages.b$.$all of these are true.c$.$Mortgage rates are lower than Treasury bond rates because of the tax deductibility of mortgage interest rates.d$.$In exchange for points, lenders reduce interest rates on mortgage loans.e$.$Only Longer$-$term mortgages have lower interest rates than shorter$-$term mortgages and Mortgage rates are lower than Treasury bond rates because of the tax deductibility of mortgage interest rates of these are true.