An ordinary annuity pays 6.72​% compounded monthly.   ​(A) A person deposits ​$200 monthly for 30 years and then makes equal monthly withdrawals for the next 15​ years, reducing the balance to zero. What are the monthly​ withdrawals? How much interest is earned during the entire​ 45-year process?   ​(B) If the person wants to make withdrawals of 2,000 per month for the last 15​ years, how much must be deposited monthly for the first 30​ years?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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An ordinary annuity pays
6.72​%
compounded monthly.
 
​(A) A person deposits
​$200
monthly for 30 years and then makes equal monthly withdrawals for the next 15​ years, reducing the balance to zero. What are the monthly​ withdrawals? How much interest is earned during the entire​ 45-year process?
 
​(B) If the person wants to make withdrawals of
2,000
per month for the last 15​ years, how much must be deposited monthly for the first 30​ years?
 
 
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