Kumar Industrial Co. (Kumar) uses a variety of quality measurement tools to determine the extent of quality issues in its manufacturing process and their causes. Currently, Kumar's quality manager is preparing a diagram that shows the target quality of its products, the categories of activities that contribute to meeting those quality targets, and how the various activities interact with each other. Which one of the following tools is Kumar using? A. Scatter diagram B. Check sheet C. Cause-and-effect diagram D. Control chart