$3)$ The "Big $4"$ Accounting firms a$.$ Have the most revenue and the most offices of the top $25$ firms bHave the most offices, but not the most revenue of the top $25$ firms Have the most revenue, but not the most offices of the top $25$ firmsThe "Big $4"$ Ackounting firms

a$.$ Have the most revenue and the most offices of the top $25$ firms

b$.$ Have the most offices, but not the most revenue of the top $25$ firms

c$.$ Have the most revenue, but not the most offices of the top $25$ firms

d$.$ There are firms with both more revenue and more offices than some of the Big $4$