Final answer:
The company likely uses a boundary system which sets limits to encourage responsible and creative problem-solving while avoiding actions detrimental to the company's reputation.
Step-by-step explanation:
The level of control that the student's company is using is most likely a boundary system. This type of control system sets limits on behaviors and actions, ensuring that employees do not engage in activities that could harm the company's reputation. By encouraging employees to be more creative in problem-solving within these boundaries, the company maintains control without stifling individual initiative. The diagnostic control system would focus on the output by measuring and comparing against predefined standards, while an interactive control system would be a dynamic, participatory form of control involving ongoing dialogue and engagement. A belief system is more about conveying and reinforcing the core values and culture of the organization.