Answer each question below in 4-5 sentences 1) What is the denition of " opportunity cost" ? Give an example. 2) Compare the difference between "Change in Supply "and " Change in Quantity Supplied". Discuss the causes and shape of curve 3) At what price does Shortage and Surplus occur ? Once a market has shortage and Surplus, then what happens to the market price? 4) If a decrease in Demand is smaller than a decrease in Supply, what happens to an equilibrium price and output sales? 5) If Coke price goes down, what happens to Pepsi demand? why