Answer peoples questions and do the challenges
Most likely true! Economics is the knowledge/ study of how society functions!
The independent variable is the one being manipulated (or changed) in order to study the effects. In this case the independent variable is the $5 price change.
The answer is economic value added measure of divisional performance.
Performance appraisals tend to impact bonuses or pay raise that an individual will receive, and thus the best way to measure this would it on a division-level by evaluating the economic value that the division manages to give to the company. This would minimize short-term bias because it would look at the division’s performance for the whole year.