Answer:
4. The authority-compliance style
Explanation:
Authority-compliance leadership style results from such a management style that is task-oriented, or task-motivated. A task-motivated management style focuses on goal-setting, task structuring, and performance measurement.
As described in the scenario, Mark a senior manager sets unrealistic goals for the factory workers, and is mostly concerned about the timely production of the company's goods and is least bothered about the difficulties the workers face on the job.
In the context of the Blake/Mouton leadership grid, the leadership styles that Mark is using in this scenario is Authority-compliance management style.