- In the Above Figure, the Shift in the Supply Curve

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In the above figure, the shift in the supply curve from S to S2 might reflect

A) a decrease in the number of pizza producers.
B) an increase in the price of a pizza.
C) a decrease in the cost of the tomato sauce used to produce pizza.
D) an increase in income if pizza is a normal good.
E) an increase in the price of a good that is a substitute for consumers.