You are trying to decide how much to save for retirement. Assume you plan to save $5,500 per year with the first investment made one year from now. You think you can earn 10.5% per year on your investments and you plan to retire in 40 years, immediately after making your last $5,500 investment. a. How much will you have in your retirement account on the day you retire? b. If, instead of investing $5,500 per year, you wanted to make one lump-sum investment today for your retirement that will result in the same retirement saving, how much would that lump sum need to be? c. If you hope to live for 16 years in retirement, how much can you withdraw every year in retirement (starting one year after retirement) so that you will just exhaust your savings with the 16th withdrawal (assume your savings will continue to earn 10.5% in retirement)? a. How much will you have in your retirement account on the day you retire? The amount in the retirement account in 40 years would be $ (Round to the nearest cent.) b. If, instead of investing $5,500 per year, you wanted to make one lump-sum investment today for your retirement that will result in the same retirement saving, how much would that lump sum need to be? You will need to make one lump sum investment today of $ . (Round to the nearest cent.) c. If you hope to live for 16 years in retirement, how much can you withdraw every year in retirement (starting one year after retirement) so that you will just exhaust your savings with the 16th withdrawal (assume your savings will continue to earn 10.5% in retirement)? The amount you can withdraw every year in retirement is $ (Round to the nearest cent.) d. If, instead, you decide to withdraw $558,000 per year in retirement (again with the first withdrawal one year after retiring), how many years will it take until you exhaust your savings? (Use trial-and-error, a financial calculator: solve for "N", or Excel: function NPER)