Answer:
a. McGregor's Theory Y.
Step-by-step explanation:
McGregor developed a a theory of motivation in the workplace.
Theory X is an authoritarian management battle where employees have little creativity and expect to be told what to do.
Theory Y is more participative. Employees take responsibility for their deliverables in an environment that encourages motivation.
Employee creativity is encouraged under theory Y.
In the given scenario the employees were praised generously. If this motivated them to produce 50% more Panama's, then we are experiencing McGregor's theory Y.