What is the 3 firm concentration ratio based on revenues?

MuCao Creamery has recently expanded into 3 provinces in Southeast China. Currently, there are three other retail ice cream vendors in these provinces along with MuCao with the following sales volumes Total Cones Brands Revenues Served (RMB) (units) Xihuan Cones 87,500 35,000 MuCao Creamery 146,000 50,000 Scoops 30,000 10,700 Swirls 46,500 20,000 What is the 3 firm concentration ratio based on revenues? 0.0% percent 1 2 3 4 5 PS4 6 7 SUBMIT ANSWER EXIT CALCULATED VARIABLES: rms = 0.471 (47.1%) total = 310,000