Math Problem Statement
A $525,000 adjustable rate mortgage is expected to have the following payments:
Year Interest Rate Monthly Payment 1–5 4% $2,506.43 6–15 6% $3,059.46 16–25 8% $3,464.78 26–30 10% $3,630.65
A fixed-rate mortgage in the same amount is offered with an interest rate of 4.65%.
What is the difference in the total cost between the two mortgages, rounded to the nearest dollar?
A spreadsheet was used to calculate the correct answer. Your answer may vary slightly depending on the technology used.
Solution
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Math Problem Analysis
Mathematical Concepts
Mortgage Calculations
Interest Rates
Loan Amortization
Comparison of Adjustable Rate Mortgage (ARM) and Fixed-Rate Mortgage
Formulas
Monthly Payment Formula for Fixed-Rate Mortgage: M = P * [r(1 + r)^n] / [(1 + r)^n - 1]
Total Payment Calculation: Total Cost = Monthly Payment * Number of Payments
Theorems
Amortization of Loans
Suitable Grade Level
Grades 11-12, College Level
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