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 $2 million now.
+ B: z2 F. e8 W1 F0 wa) Calculate the amount of money that the Alberta Lottery Corporation must keep in the bank to be able to pay the weekly prize.
& J- \8 s+ o: H7 x( tAssume the following:
6 _) H( ?5 S* k0 d6 q- r = 0.06 (6 percent)
( {' Y  A( \' [' J/ n/ g* j0 M$ G- Interest is paid annually to the Lottery Corporation

张玉

需要知道得奖人的年龄， 才能算啊`~~~