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280 F: RPN: Selected Examples
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
0
I
11
I
Stores cash flows of zero
for the next 11 months.
15000
II
Stores third withdrawal,
for junior year.
0
I
11
I
Stores cash flows of zero
for the next 11 months.
15000
II
Stores fourth withdrawal,
for senior year.
e
Done enterin
g
cash flows;
gets CALC menu.
Step 2: Calculate NUS for the monthly deposit. Then calculate net
present value.
Keys: Display: Description:
9
E
12
/
Figures the periodic
(monthly) interest rate and
stores it in I%.
A
mount of monthly deposit
needed to meet planned
withdrawals.
Calculates the net present
value of the monthly
deposits, which is the
same as the NPV of the
four future withdrawals.
Example: Tax-Free Account. Consider opening an IRA account with a
dividend rate of 8.175%. 1) If you invest $2,000 at the beginning of
each year for 35 years, how much will you have at retirement
? 2) How
much will you have paid into the IRA
? 3) How much interest will you
have earned
? 4) If your post-retirement tax rate is 15%, what is the