this is my question

Suppose that business travellers and vacationers have the following demand for airline tickets from Philadelphia to Boston: Price Quantity Demanded Quantity Demanded (business) (vacation) $150 2,100 tickets 1,000 tickets 200 2000 800 250 1800 500 300 1700 300 a. As the price of tickets rises from $200 to $250, what is the price elasticity of demand for (i) business travellers and (ii) vacationers? Use the midpoint formula (arc elasticity formula). (6 Marks) give answers to 2 d.p