Deductions & credits

Go to Business tab- then Continue
Choose Jump to Full List -or I'll choose what I work on

Then…..
Business Income and Expenses - Click the Start or Update button

Then click EDIT by the business name and the next screen should be a list of  topics,
Business Profile, Income, Inventory/Cost of Goods Sold, Expenses, Assets, and Final Details last.

Under Business Expenses, Click Start or Update by Other common business expenses
You should see the list of expenses and amounts you entered.
Then click the start or update button by the expense you want to add or edit.

Interest Payments is the 7th item under Expenses - Click the Start or Update button