Final answer:
Amanda's efforts are part of the planning function of management, which involves setting goals and determining actions to achieve them.
Step-by-step explanation:
Amanda's efforts are part of the planning function of management. This function involves setting goals, establishing strategies, and determining the actions to be taken to achieve those goals. By analyzing the disappointing sales results and finding a way to improve them, Amanda is engaged in the planning process.
For example, she may analyze market trends, identify target customers, and develop a marketing campaign to boost sales. In doing so, she is utilizing the planning function to address the current situation and take proactive steps.