Mason is a business analyst working for a large food manufacturer that wants to streamline its processes to achieve greater efficiency. He is in the process of planning his requirements elicitation…

Mason is a business analyst working for a large food manufacturer that wants to streamline its processes to achieve greater efficiency. He is in the process of planning his requirements elicitation activities and has written a checklist of the tasks he needs to carry out: 1) I must spend some face-to-face time with the key stakeholders. 2) I need to spend some time on the production line, to see how the processes work. 3) I need to build one-to-one relationships with the sponsors of the project. 4) I need to record how people spend their time on the production line. Which of the following sets of techniques would meet ALL the tasks on Mason's list?