问一道金融题!

赎罪宝贝

Congratulations! You have won the Lottery For Life and are the proud winner of $1,000 per week for the rest of your life!! You have the option of accepting a cheque for $1000 per week until you die, or reach the age of 75, whichever comes sooner. Alternatively, you may accept a cash payout of $2 million now.
  t6 J) @" F" n8 y. ]& T8 ba) Calculate the amount of money that the Alberta Lottery Corporation must keep in the bank to be able to pay the weekly prize.
" J7 e8 Z5 k8 S9 ^9 CAssume the following:
: I' |) A- X# C- ?- r = 0.06 (6 percent)
& V( j% U! s' D3 u  E- Interest is paid annually to the Lottery Corporation

张玉

需要知道得奖人的年龄， 才能算啊`~~~