A. If demand and supply increase an equal amount, price ___________and quantity___________ .

     B. If demand increases and supply decreases an equal amount, price ____________and quantity___________ .

     C. If demand decreases and supply increases an equal amount, price ____________and quantity_________ .

     D. If demand decreases and supply deceases an equal amount, price ____________and quantity___________ . 

     E. If demand increases and supply increases much more, then price _______________ and quantity________________ .

F. If demand increases and supply decreases much more, then price _______________and quantity______________ .

2. Give examples of E and F that have happened in recent history.