Each question 15 marks plz help me out

Part II. Short Answers (Each Question = 15 Marks) Q-3 (a). When the price of Airline tickets from Vancouver to Edmonton decreased from $1000 to $540, the quantity of tickets demanded rises from 1000 to 1428. Use the arc elasticity formula to calculate the price elasticity of demand. Express the nature of demand. Q-3 (b). If the coefficient of elasticity is 2.0, then how much quantity demanded will increase as a result of 16% fall in price? Q-4. Following table shows the total demand for corn and the total supply of fish packs per month in a Saskatoon market: Demonstrate your answer graphically. (a) Suppose the government establishes a price ceiling of $1.00 per pack of fish. What will be the main effects of this price ceiling? (b) Suppose the government establishes a price floor of $3.00 per pack of fish. What will be the main effects of this price floor? Quantity Price of Quantity Demanded Fish Supplied per per week ($/ Pack) week (Packs) (Packs) 280 $ 0.50 40 260 1.00 135 225 1.50 225 Price 170 2.00 265 105 2.50 290 60 3.00 310 35 3.50 320 Quantity