assume you are $21$ years old and will start working as soon as you graduate from college you plan to start saving on your retirement for your $25$th birthday and retire on your $65$th birthday have to retirement you expect to live at least till your $85$ you wish to be able to withdraw $$52,000$ in today's dollars every year from the time of your retirement until $85$ years old the average inflation rate is likely to be $5\%$ and your annual return on investments is $10\%$