In response to the question, you might say, "Initially, I would collect the required data, which consists of the revenue figures from each department, sourced from company records, financial statements, or the respective department heads. This data would likely include the total sales revenue produced by each department over a designated timeframe. Next, I would compute the total revenue by summing the revenue figures of all departments. Lastly, I would present the information in a structured format, highlighting the revenue generated by each department.