Question 2 Some market shares of firms in an industry are 3%, 5%, 9%, 35% and 45%. What is the 4-firm concentration ratio? Not yet saved Marked out of 2.00 P Flag question Select one: a. there is not enough information b. 0.47 c. less than 0.47 d. 0.94 e. greater than 0.47 but less than 0.94