Refer to the above diagram, which shows three supply curves for corn.Which of the following would cause the change in the supply of corn illustrated by the shift from S₁ to S₂?

Question

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The development of a more effective insecticide for corn rootworm would reduce the cost of production for corn farmers, thereby increasing their willingness and ability to supply more corn at every price. This would shift the supply curve to the right from S₁ to S₂. Changes in consumer preferences (B) and incomes (C) would affect the demand for corn rather than the supply, while an increase in the price of fertilizer (A) would increase the cost of production and shift the supply curve to the left rather than the right.

Refer to the Above Diagram, Which Shows Three Supply Curves