Your father is about to retire, and he wants to buy an annuity that will provide him with $91,000 of income a year for 25 years, with the first payment coming immediately. The going rate on such annuities is 5.15%. How much would it cost him to buy the annuity today? oa. $1,169,129.87 ob. $1,328,556.67 oc. $1,248,843.27 od. $1,408,270.07 o e. $1,474,697.91