An auditor uses MUS to test sales. The auditor uses a systematic sampling method with sampling interval $($hook$)$ of $$1,000.$ One of the transactions in the population is $$1,800.$ Which of the following statements is true?

This item will contain only one sample dollar

This item will contain two sample dollars

This item will contain at least one and possibly two sample dollars

This item might not be selected, depending on the population size