A stockbroker claims she can consistently earn 15% per year on an investor's money. If she invests $20,000 now, $40,000 two years from now, and $10,000 per year through year 11 starting 4 years from now how much money can the client withdraw every year forever, beginning 12 years from now, if the stockbroker delivers wht she said and the account earns 6% per year from year 12 forward? Disregard taxes. 6.17