You had bought prize bonds and you won one of them. Now you are given three options to collect your reward. You can elect to receive a lump sum today of PKR 50 million, or to take 20 end of year payments of PKR 3 million, or to receive 10 end of year payment of PKR 9.5 million. If you think you can earn 7% annually, which should you choose. Support your choice with calculated values.