May someone show me the calculator formula for achieving the answer to this please. I got a big an event tomorrow so please explain like I am 5. Will thumbs up

Assume that your aunt sold her house on December 31 , and to help close the sale she took a second mortgage in the amount of $20,000 as part of the payment. Now, 1 year later, your aunt must inform the IRS and the person who bought the house about the interest that was included in the two payments made during the year. (This interest will be income to your aunt and a deduction to the buyer of the house.) To the closest cent, what is the total amount interest that was paid during the first year? Do not round intermediate calculations. Round your answer to the nearest cent