Laura sold her office building to the accounting firm that bought her firm. Unfortunately, she had to repossess the building after less than a year. Calculate  the amount of Laura's gain or loss on the repossessed real property, based on the following facts. The building had a fair market value of $54,000 on the date of repossession. The unpaid balance of the installment obligation at the time of repossession was $56,000, the gross profit percentage was 25%, and the costs of repossession