A demand schedule shows: 0 the quantities of a good that consumers will purchase at given prices. 0 the quantities of a good that firms will buy at given revenues. O the quantities of a good that firms will sell at given prices. 0 the relationship between quantities sold and the nonprice determinants of supply. When a demand curve is graphed: 0 all factors affecting demand (including price) are held constant. 0 the nonprice determinants of demand are held constant. 0 quantity demanded is held constant. 0 price is held constant