Answer:
b. social power
Explanation:
Social power is exercised by an individual when such an individual holds a higher rank in a society.
In the given case, an employee was desirous of taking a leave on Saturday but his Boss asked him to report, whose direction he could not decline. Since the boss represents a higher social rank, his order could not be refused.
This is the case of Social Power, wherein an individual exercises considerable influence over another owing to his higher position in social ranks.
