find the present value of the decreasing annuity necessary to fund a withdrawal of 1700/quarter for 20 years, if the annuity earns 3%/year. (assume end of period deposits and compounding at the same intervals as deposits)
PV of Decreasing Annuity:
Decreasing Annuity is series of cash flows that are withdrawn at
regular intervals for specific period of time.
PV of Annuity = Cash Flow * [ 1 - [(1+r)^-n]] /r
r - Int rate per period = 3 % / 4 = 0.75 % or 0.0075
n - No. of periods = 20 years * 4 = 80 quarters
Particulars | Amount |
Cash Flow | $ 1,700.00 |
Int Rate | 0.7500% |
Periods | 80 |
PV of Annuity = Cash Flow * [ 1 - [(1+r)^-n]] /r
= $ 1700 * [ 1 - [(1+0.0075)^-80]] /0.0075
= $ 1700 * [ 1 - [(1.0075)^-80]] /0.0075
= $ 1700 * [ 1 - [0.55004]] /0.0075
= $ 1700 * [0.44996]] /0.0075
= $ 101990.55
PV of Decreasing Annuity = $ 101990.55
Please comment if any further assistance is required.
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