i need help with this

The supply and demand schedules below are from the market for bread in a small town. Price per loaf Quantity of Loaves Supplied Quantity of Loaves Demanded 320 300 100 280 140 260 180 240 220 220 260 200 300 180 $10 340 160 For each of the following, show all your calculations for full credit. If the price of bread rises, from $8 to $9, what is the percent change in the quantity demanded? When the price of bread changes from $8 to $9, what is the percent change in price? What is the price elasticity of bread when the price per loaf is between $8 and $9? What is the price elasticity of bread when the price per loaf is between $2 and $3