Math Problem Statement
In saving for a future major purchace, Oksana has been making uniform deposits of $4 comma 000 per year in an account that has earned variable annual interest rates of i1 = i2 = i3 = 5% and i4 = i5 = 7% (see cash flow diagram below). How much does she have in the account immediately after making the last deposit?
Solution
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Math Problem Analysis
Mathematical Concepts
Compound Interest
Future Value of Annuities
Financial Mathematics
Formulas
Future Value (FV) = P × (1 + i)^n
Theorems
Compound Interest Theorem
Future Value Theorem
Suitable Grade Level
Grades 10-12
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