Math 115 Discussion board 2

profilenbechtold
Retirement_Savings_Calculator.xlsx

Calculations

amount you owe $ 5,000.00
average annual interest rate on your debt 12%
amount of total monthly debt payments you are making $ 250.00
time to payoff your debt 1.86 years
Years of delay until you start saving 0
long term average inflation rate in the US 3.23%
# of years until retirement 0
amount of money per month you want in today's dollars $ - 0
amount of money per month at the time of your retirement $ - 0
assumed average interest rate on your investments after retirement 0.0%
assumed average inflation rate after retirement 2.2%
net assumed average interest rate after retirement -2.1%
number of years you will live off of your money 0
amount of money you will need when you retire $0.00
assumed average interest rate on investments before retirement 0.00%
amount of money you have invested today $ - 0
value of current investments at retirement using assumed interest rate on your investments $ - 0
amount of money you need to save each month starting now $0.00 ERROR:#NUM!
amount of money you need to save each month starting the month after your selected delay $0.00 ERROR:#NUM!
NOTE: These calculations assume an annual inflation rate after retirement of 2/3 of the annual inflation rate before retirement.
This assumption is probably reasonable for those who own their own house at that time. If you wish to adjust this assumption,
then UNHIDE row 17 and change the inflation rate in Column D to match the assumption that you wish to make.

Calc with sample values

amount you owe $ 16,000.00
average annual interest rate on your debt 14.99%
amount of total monthly debt payments you are making $ 550.00
time to payoff your debt 2.09 years
Years of delay until you start saving 2.09
long term average inflation rate in the US 3.23%
# of years until retirement 25
amount of money per month you want in today's dollars $ 4,000.00
amount of money per month at the time of your retirement $ 8,900.00
assumed average interest rate on your investments after retirement 4.0%
assumed average inflation rate after retirement 2.2%
net assumed average interest rate after retirement 1.8%
number of years you will live off of your money during retirement 30
amount of money you will need when you retire $2,471,677
assumed average interest rate on investments before retirement 8.00%
amount of money you have invested today $ 50,000.00
value of current investments at retirement using assumed interest rate on your investments $ 342,424
amount of money you need to save each month starting now $2,239 $2,238.90
amount of money you need to save each month starting the month after your selected delay $2,723 $2,722.77
NOTE: These calculations assume an annual inflation rate after retirement of 2/3 of the annual inflation rate before retirement.
This assumption is probably reasonable for those who own their own house at that time. If you wish to adjust this assumption,
then UNHIDE row 17 and change the inflation rate in Column D to match the assumption that you wish to make.

avg interest rate on debt

Interest
Amount Rate
Debt 1
Debt 2
Debt 3
Debt 4
Debt 5
Debt 6
Debt 7
Debt 8
Debt 9
Total $ - 0 ERROR:#DIV/0!