Math Problem Statement
A small business owner contributes $4,000 at the end of each quarter to a retirement account that earns 10% compounded quarterly.
(a) How long will it be until the account is worth at least $150,000? (Round your answer UP to the nearest quarter.)
____ quarters
(b) Suppose when the account reaches $150,000, the business owner increases the contributions to $8,000 at the end of each quarter. What will the total value of the account be after 15 more years? (Round your answer to the nearest dollar.)
$ ____
Solution
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Math Problem Analysis
Mathematical Concepts
Compound Interest
Future Value of Annuity
Exponential Growth
Formulas
Future Value of Annuity formula
Compound Interest formula
Theorems
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Suitable Grade Level
Advanced High School
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