The answer: $ 9,804.612502.
Explain:
FV= (1000*1.05^5+ 1000*1.05^2+ 1000*1.05)*1.04^5 + 1000*(1.04^5-1)/0.04*1.04
- In the first 5-year period : r1= 0.05;
There are 3 arised amounts: (not regularly)
+ At the beginning of 1st year: $1000
+ At the beginning of 4th year: $1000
+ At the beginning of 5th year: $1000
- In the following 5-year period : A= $ 1000, r2= 0.04; n= 5
A ($ 1000) arises anually at the beginning each year (from 6th to 10th).
The result of deposits after 10 years, the total money increase from $ 8,000 to (approximately) $ 9,804.6
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