Use the following to answer questions :
Figure: Four Markets for DVDs 
-(Figure: Four Markets for DVDs) Look at the figure Four Markets for DVDs. Which of the graphs illustrates what may happen in the market for DVDs if D1 or S1 is the original curve and D2 or S2 is the new curve and if the cost of producing DVDs falls?
Definitions:
Job Descriptive Index
A psychometrically validated survey instrument that measures job satisfaction in five facets: pay, promotion, coworkers, supervision, and the work itself.
Job Satisfaction
The level of contentment employees feel about their jobs, including aspects like work environment, pay, and job duties.
Display Rules
Cultural or organizational guidelines that dictate the appropriate expressions of emotions in various situations.
Waiter
A service professional responsible for taking orders, serving food and beverages, and ensuring a satisfying dining experience in eateries.
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