Question #294186

at age 21 Julio begin saving $800 each year until age 35 in an ordinary annuity paying 5.3% annual interest compounded yearly and then leaves his money in the account until age 35. His friend max begins at age 41 saving $1600 per year in the same type of account until age 65. How much does each have in their account at age 65


1
Expert's answer
2022-02-07T17:26:17-0500

Solution:

A=R×(1+rm)n1rmA=R\times\dfrac{(1+\frac rm)^n-1}{\frac rm}

A = accumulated account

R =regular annual payment = 800

r/m= rate of interest=5.3%=0.053

n = number of periods=15

So, A=800×(1+0.053)1510.053A=800\times\dfrac{(1+0.053)^{15}-1}{0.053}

A=$17657.8\Rightarrow A=\$17657.8

So, accumulated amount for 15 years = $ 17657.8

Julio's accumulated amount at the end of 65 years = 17657.8(1.053)30=83135.717657.8(1.053)^{30}=83135.7

Max's accumulated amount at the end of 65 years =2600×(1+0.053)2510.053=$129348.3=2600\times\dfrac{(1+0.053)^{25}-1}{0.053}=\$129348.3



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