A company that has foreign currency transactions will have foreign currency

A company that has foreign currency transactions will have foreign currency receivables and/or foreign currency payables. If the direct exchange rate decreases while a company has a foreign currency payable, the company will record a gain. Assume that when I was explaining this concept in class, a student did not quite understand it. Write a short, simple explanation that would best explain this concept to this student. Use a memo format.

Please provide a complete, easy-to-understand explanation as concisely as possible. Your explanation should not exceed two short paragraphs.