Imagine once again that you are an automobile manufacturing executive tasked with increasing sales in your state. The executive wants a qualitative study to obtain the perspective of sales personnel regarding an incentive program you implemented at few dealerships that quantitatively proved to be successful. The three sources of data for your case study are individual semi-structured interviews, archival documents, and field observations. What are the most significant strengths and weaknesses of the methods for collecting data from these data sources? Why are these significant? What skills are needed to collect the data effectively? Explain. What concerns do you have about the feasibility of implementing these methods of data collection for this study? Explain.