Chris wants to retire in 15 years when he turns 65. christian wants to have enough money to replace 75% of his current income less what he expects to receive from social security at the beginning of each year. he expects to receive $18,000 per year from social security in today’s dollars. christian is aggressive and wants to assume an 8% annual investment rate of return and that inflation will be 3% per year. based on his family history, christian expects that he will live to be 95 years old. if christian currently earns $80,000 per year and he expects his raises to equal the inflation rate, how much does he need at retirement to fulfill his retirement goals?