A person is about to retire and must choose between three retirement plan options. One provides S55,000 per year for the remainder of his life. Another provides 85 percent of this amount and increases by 5 per-cent each year. A third option gives him a 5400,000 lump-sum settle-ment. If his remaining life expectancy is twelve years, the prime interest rate is 8 percent, and he can ignore taxes, which should he chooscl