Must show all steps and formulas used to demonstrate understanding. As the most successful contestant in the history of the television show Jeopardy, Ken Jennings won more than $ $2\mathrm{.}5$ million. Suppose he invested $ $1\mathrm{.}2$ million in an ordinary annuity that eamed $4\mathrm{.}25$ percent compounded monthly. How much would he receive at the end of each month for the next $20$ years?