As a financial advisor, you are consulting a client who has won the lottery. The annual discount rate is 11%. 5 consecutive annual payments of $400,000, with the first payment made at the end of year 3 (that is, at t=3) and the remaining payments made at the end of each of the four following years. What is the present value?

What if the scheme changed to 25 consecutive annual payments, with the first payment of $270,000 made at the end of year 2 and the remaining payments (which occur at year end) declining by 10 % per year. What is the present value?

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How do you solve this question using financial calculator? I know how to solve them using excel but during exam we are not allowed to use excel and I am not good with formulas either. Please help!