Problem #5: A UK lottery prize pays 5000 at the end of the first year, 6000 at the end of the second year, 7000 at the end of the third year, and so on for 25 years. If this is the only prize in a lottery, 100,000 tickets are sold, and you could invest your money elsewhere at 10% interest rate (compounded annually), how much is each ticket worth, on average