4-Use the information in the table below to identify the type of cross elasticity relationship between products X and Y in each of the following five cases, A to E. Percent change Percent change in in price of Y quantity demanded of X Cross elasticity type Cases A 5 7 B 9 6 C 5 -5 D 3 0 E-2 10 5-The following is a straight-line demand curve that confronts a single firm. Quantity demanded Price (3) (4) $6 1 $ 5 2 4 3 2 4 In column 3, compute total revenue. In column 4, compute the coefficient for the price elasticity of demand at each price using the midpoints formula.