Use a supply and demand diagram to show what happens to the indicated prices and quantities for these two cases. 1. Price and quantity of computers if there is an improvement in computer production technology. 2. Price and quantity of gasoline if there is an expectation of lower prices (sellers have stored gasoline and capacity to store more, buyers do not). 3. A t-shirt store finds that when they raise the price of their shirts from $9 to $11, their sales drop from 26 to 14. What is their elasticity of demand? 4. Has their revenue risen or fallen? 5. Another t-shirt store finds that when they raise the price of their shirts from $13 to $17, their sales drop from 26 shirts to 24. What is their elasticity of demand? 5. Has their revenue risen or fallen?