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:

Brands	Total Revenues (RMB)	Cones Served (units)
Xihuan Cones	87,500	35,000
MuCao Creamery	121,000	50,000
Scoops	30,000	10,200
Swirls	36,800	20,000

What is the 3 firm concentration ratio based on revenues?

CALCULATED VARIABLES: rms = 0.440 (44.0%) total = 275,300