1. A decrease in supply is depicted by a

• A. movement from point x topoint y.

• B. shift from S₂ to S₁.

• C. shift from S₁ to S₂.

• D. movement from point y topoint x.

2. Using the same graph above, an increase in quantity suppliedis depicted by a

• A. shift from S₂ to S₁.

• B. shift from S₁ to S₂.

• C. move from point y topoint x.

• D. move from point x topoint y.

3. Using the same graph above, a movement along the supplyschedule from point x topoint y depicts

• A. a decrease in supply.

• B. an increase in supply.

• C. an increase in quantity supplied.

• D. a decrease in quantity supplied.