Nadine purchased a van for $18,000 to use exclusively in her delivery business. She sold it four months later in the same year for $12,500. What is the amount of gain or loss, and where on Form 4797 does Nadine report the sale? $5,500 loss; Part III. $5,500 gain; Part II. $5,500 loss; Part II. $5,500 loss; Part