This application calculates your mortgage monthly payments with or without extra (monthly) principal payments.
These are the things I want to accomplish
- ✔️ Calculate mortgage monthly total payment
- ✔️ Calculate mortgage monthly interest payment
- ✔️ Calculate mortage monthly principal payment
- ✔️ Calculate total interest for a mortgage
- ✔️ Calculate total payment for a mortgage
- ✔️ Calculate start and end balance for each month
- Calculate what happends if I make various payments during the lifetime of the mortgage
- Calculate what happens if I add monthly principal payments
- Add unit testing