Final answer:
The conclusion that Stacy took classes is logically drawn from the premises provided that employees must take classes to earn a raise and that Stacy earned a raise. Therefore, the answer is yes, Stacy took classes.
Step-by-step explanation:
If the first two statements are true:
- Employees at XYZ corp must take classes to earn a raise.
- Stacy earned a raise at XYZ corp.
Then the logical conclusion based on these premises is that Stacy took classes. This is because, according to the first statement, taking classes is a mandatory requirement for any employee at XYZ corp to earn a raise. Since Stacy earned a raise, per the rules stated, she must have taken the classes. Therefore, the answer is A) yes.