5. Use the calculator and Excel to answer the following: a. You want to become a millionaire (reaching 1 million dollars!). You want to know how long it will take you to get there if you plan on saving $1,250 monthly, and the current annual rate is 12%. (it will take you less than you think...I) i. Formula n=log(FV/PV)/log(1+r) ii. Estimate it in your Calculator: Write the keys you enter iii. Excel: Write the formula and arguments in Excel format. b. Your grandfather gave you $25,000 as a graduation gift. If you invest that money earning 9% per year, how much will you have in 10 years? iv. Formula: Plug in the values in the formula v. Calculator: Write the keys you enter vi. Excel: Write the formula and arguments in Excel format. c. What would you pay today for a piece of paper that promises you to get $67,000 in 12 years if the current discount rate is 9 percent? vii. Formula: viii. Calculator: Write the keys you enter ix. Excel: Write the formula and arguments in Excel format