You have a choice between a lottery lump sum payout of $$5,509,253\mathrm{.}62$ today or a

series of twenty annual annuity payments of $$500,000$ each $($first cash flow one year

from today$).$ At what discount rate are you indifferent between the two choices?

$4\mathrm{.}50\%$

$6\mathrm{.}50\%$

$5\mathrm{.}50\%($ this is wrong$)$

$7\mathrm{.}50\%$