Since this was a loan, the principal payments that you receive are not considered to be income.
You will include the interest that you received on schedule B.
To get to the input screen for schedule B:
- Once signed into your account, click on Search at the top of the screen
- Input "interest income" into the search box and hit Enter
- The first link available should be Jump to interest income - click on this link
- You will be taken to the screens to enter the information
