A, B, C, and D are usually called collectively as the Big 4, which are the four largest professional services networks in the world. In the USA, these firms also dominate the audit market. Their percentages of the audit market are 49.2 percent in 2019 and 47.1 percent in 2018.

Your manager wants to know which of the Big 4 firms dominates in each U.S. state in terms of their audit service fees. Based on your knowledge of different visualization charts, please select three charts that you think can better show your findings to the managers question.

Check All That Apply

• bar chartbar chart

• pie chartpie chart

• stacked column chartstacked column chart

• tree maptree map

• heat mapheat map

• symbol mapsymbol map

• line chartline chart

• scatter plot