Answer:

Step-by-step explanation:
The formula to calculate the monthly payments for a fixed interest mortgage is:

Where:
- Payment is the monthly payment
- L is the amount of the loan: $150,000
- i is the monthly interest rate: 3.8%/12 = 0.038/12
- n is the number of months: 30×12 = 360
Substituting:


Now multiply the monthly payments by the number of payments:
- Total payment = $698.94 × 360 = $251,618.40