Math Problem Statement
Nine years ago, Ann entered into a $34,000 mortgage loan of 20 year and at a fixed rate of 12% p.a. (compounded monthly) with HSBC. Ann decides to refinance her loan with ANZ who offers 10% p.a. (compound monthly) for mortgage loan. There is no cost associated with this refinancing. What is her monthly savings from this refinancing?
Solution
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Math Problem Analysis
Mathematical Concepts
Loan Amortization
Compound Interest
Refinancing
Formulas
M = P * r * (1 + r)^n / ((1 + r)^n - 1)
B = P * ((1 + r)^n - (1 + r)^t) / ((1 + r)^n - 1)
Theorems
Amortization Formula
Compound Interest Formula
Suitable Grade Level
College Level / Financial Mathematics
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