Which of the following is an example of a real-world application of time-and-motion studies in management research? a. Examining the communication patterns of a team of sales representatives to identify areas of inefficiency. b. Analyzing the workflow processes of a manufacturing plant to identify opportunities for automation. c. Determining the impact of a new marketing campaign on sales revenue. d. Evaluating the effectiveness of a new training program for customer service representatives. e. All of the above are correct. f. The answer choices a, b, and c are all correct