Final answer:
Shannon is engaging in the controlling function of management when she reviews the performance of salespeople and determines the need for a discussion based on their underperformance. option 4.
Step-by-step explanation:
When Shannon reviews and determines that she has four underperforming salespeople with whom she will need to talk, she is performing the managerial function of controlling. The controlling function involves measuring performance, comparing it to established standards or objectives, and taking corrective action as needed. When Shannon reviews and determines that she has four underperforming salespeople with whom she will need to talk. This process allows managers to ensure that organizational goals are met and that performance is aligned with these goals.