In the given graph, the shift that is considered to be an increase in demand is D₁ to D₂.
How is a shift in demand shown?
The Demand curve is the downward sloping curve to show that quantity demanded in higher at lower prices.
When there is an increase in demand (shift factor), the demand curve should move to the right. This is shown by the movement of D₁ to D₂.
Find out more on the demand curve at https://brainly.com/question/1486483.
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