3. A family has a $210,000, 30-year mortgage at 7.2% compounded monthly. a. Find the monthly payment. b. Find the unpaid balance remaining after 15 years. c. Find the total cost of the mortgage at the end of its 30-year lifespan.
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To find the monthly payment, we can use the formula for the monthly payment on a mortgage: \[M = P \cdot \frac{r(1+r)^n}{(1+r)^n - 1}\] where: - M is the monthly payment - P is the principal amount (loan amount) - r is the monthly interest rate (annual interest Show more…
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