Explanation: The correct answer is option (4) (1), (2), and (3). Graphics objects on a chart in Excel are used for multiple purposes: (1) Add emphasis to chart data: Graphics objects such as data labels, data markers, and data points can be used to highlight specific data points or values in the chart, making it easier for viewers to understand and interpret the data. (2) Add interest to a chart: Graphics objects like shapes, pictures, and backgrounds can be added to a chart to make it visually appealing and engaging. These elements can enhance the overall design and aesthetics of the chart. (3) Help explain the chart data: Graphics objects, such as titles, legends, and annotations, can be used to provide additional information or context about the chart data. These elements help viewers understand the chart's purpose, data sources, units of measurement, or any other relevant details. Therefore, the correct answer is option (4) (1), (2), and (3).