Final answer:
True, supplementary schedules offering a breakdown of key financial figures by operating segment are helpful for financial statement analysts as they provide deeper insight into a company's performance.
Step-by-step explanation:
The statement is true; supplementary schedules, such as those providing a breakdown of key financial figures by operating segment, can be extremely helpful to financial statement analysts. These schedules provide additional context and details that are not available in the primary financial statements. For instance, segment breakdowns can show which parts of a business are most profitable or are growing the fastest, offering valuable insights into company performance, potential risk areas, and the effectiveness of management's strategies. Financial statements often summarize data that could mask underlying variations or trends, and so these schedules are tools that analysts can use to gain a more granular understanding of a company's financial health.