Final answer:
To determine the difference in cost between a 30-year and a 15-year mortgage, we need to calculate the total amount paid for each mortgage. The difference in cost is $164,531.85.
Step-by-step explanation:
To determine the difference in cost between a 30-year and a 15-year mortgage, we need to calculate the total amount paid for each mortgage. Let's start with the 30-year mortgage:
Interest paid = Total amount paid - Loan amount
Loan amount = Total amount paid - Interest paid
Loan amount = $252,791.25
Now, let's calculate the interest paid for the 15-year mortgage:
Total amount paid = Monthly payment * Number of months
Monthly payment = $490.33
Number of months = 15 years * 12 months/year
Total amount paid = $490.33 * 15 * 12
Interest paid = Total amount paid - Loan amount
Loan amount = Total amount paid - Interest paid
Loan amount = $88,259.40
The difference in cost between the 30-year and 15-year mortgages is $252,791.25 - $88,259.40 = $164,531.85. Therefore, Tamia and Grant will pay $164,531.85 more for the house if they choose the 30-year mortgage.