Gemma, a 35-year-old client who earns $45,000 a year, pays 7.65% of her gross pay in Social Security payroll taxes, and saves 8% of her annual gross income. Assume that Gemma wants to maintain her exact pre-retirement lifestyle. Calculate Gemma's wage replacement ratio using the top-down approach (round to the nearest %) and using pre-tax dollars. Explain how you came to your answer.