Ahmed Al Khatib has just won the lottery and must choose among three award options: o lump sum of $61 million today o 10 end-of-year payments of $9.5 million o 30 end-of-year payments of $5.5 million a. If Ahmed can earn 7% annually, which option should he choose? b. If Ahmed can earn 8% annually, which option should he choose? c. If Ahmed can earn 9% annually, which option should he choose? d. Explain how interest rates influence Ahmeds choice.