You expect your expenses in the first year of retirement to be $71000. Your return on investment is 7%. Assuming you are willing to spend down both principal and interest, how much retirement wealth will you need to have accumulated by the time youretire to be able to pay for 20 years of retirement expenses that increase at an average rate of 4% ? (Select the closest answer.) $1250000 $750000 $500000 $1000000