You are about to retire, and you have managed to accumulate $2,500,000 during your working life. You expect to live another 20 years. You plan to buy everything using credit cards, so that you pay at the end of each month. If the prevailing APR is 6% per year, how much can you spend each month during your retirement without running out money before you die? Now suppose, alternatively, that you have had a pang of conscience and would like to leave something for your family after you die. How much can you spend per month during your lifetime and still leave an estate worth $2,000,000 for your family at your death?