Could you help me check

The table shows the demand schedule for hamburgers. Price Quantity demanded When the price of a hamburger rises from $6.00 to $7.00, what is the price (dollars per hamburger) (hamburgers per day) elasticity of demand for hamburgers? 1.00 2,800 The price elasticity of demand for hamburgers is 4.33 2.00 2,400 3.00 2,000 >>> Answer to 2 decimal places. 4.00 1,600 5.00 1,200 6.00 800 7.00 400 8.00