Annual investment are being made so that $20,000 will be accumulated at the end of 10 years , the interest rate on these investments is initially expected to 4 percent compounded annually , after 4 years , the rate of interest is unexpectedly increased to 5 percent so that payments for tge remaining 6 years can be reduced, what amount should be invested annually for the first 4 years and what sums for the last 6 ?

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter12: Sequences, Series And Binomial Theorem
Section12.3: Geometric Sequences And Series
Problem 12.59TI: New grandparents decide to invest 3200 per month in an annuity for their grandson, The account will...
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Annual investment are being made so that $20,000 will be accumulated at the end of 10 years , the interest rate on these investments is initially expected to 4 percent compounded annually , after 4 years , the rate of interest is unexpectedly increased to 5 percent so that payments for tge remaining 6 years can be reduced, what amount should be invested annually for the first 4 years and what sums for the last 6 ?
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