Answer: Low task structure
Explanation:
Low task structure is defined as the unstructured layout or design of the task which leads to the unclear solution and extent to reach towards the desired goal or aim. The approach used for finding the manner to perform the task is not correct.
According to the question, The firm that has various type of employee and swapping and exchanging their tasks are known as low task structured because no particular structural layout of working and performing task.
Other options are incorrect because high task structure is based on very particular and orderly structure of task. High position power is the power authority of senior position holder worker. Leader-member relation is connection between the senior head and the workers under him.