You want to invest in an annuity that will pay you $5,900 per half year for the first 6 years and $10,600 per year for the last 4 years. If the annuity earns 4.15% compounded semiannually for the first 6 years and 2.4% compounded annually for the remaining 4 years, what would be the amount of your initial investment? Enter the appropriate values in the blanks below, round answers to two decimal places