Please answer 1 and 2

1. A man purchased a lottery ticket which is claimed by the authority worth a million US$. The man won in the lottery and will be paid like this: Year 1- USD, 100,000; year 2- USD 200,000; year 3- USD 700,000. The man sued against the authority saying that the lottery prize is not a million taka. Justify the mans argument. How much is actually the worth of lottery prize if discounted rate is 8%.
2. You want to go for higher study in the USA after 6 years and you will need US$ 20,000 at that time. You want deposit every year at the end of year some amount of money so that you can withdraw the required amount in time. If the account pays you 8% return, how much you must deposit every year?