1. A decrease in supply is depicted by a A. movement from point x to point y. B. shift from S2 to S1. C. shift from S1 to S2. D. movement from point y to point x. 2. Using the same graph above, an increase in quantity supplied is depicted by a A. shift from S2 to S1. B. shift from S1 to S2. C. move from point y to point x. D. move from point x to point y. 3. Using the same graph above, a movement along the supply schedule from point x to point y depicts A. a decrease in supply. B. an increase in supply. C. an increase in quantity supplied. D. a decrease in quantity supplied.