Calculating the payment amount
Another real-life problem you might encounter is how much money you need to save each month to hit a financial target within a set time.
You saw earlier that to pay off a mortgage of USD 275,000 in ten years with an annual interest rate of 3.5% compounded monthly, you needed to pay USD 2,719 per month.
If, instead, you wanted to take twenty years to pay off the mortgage, calculate how much you would need to pay per month now.
This exercise is part of the course
Bond Valuation and Analysis in Python
Exercise instructions
- Import the
numpy_financial
package using the aliasnpf
. - Use the
npf.pmt()
function to calculate the required monthly payment and save this torequired_return
. - Print the result.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Import the numpy_financial package using the alias npf
____
# Calculate monthly payment required
required_payment = ____
# Print the result
____