Which of the following statements is true of the effect of changes in demand and supply on price?

• A.A decrease in supply will lead to the fall in price and a fall in th quantity bought and sold
• B.An increase in demand will lead to a fall in price and in the quantity bought and sold
• C.A decrease in demand will lead to a rise in price and in the quantity bought and sold
• D.An increase in supply will lead to a fall in price and a rise in the quantity bought and sold