30 people are currently sitting in a coffee shop in Brooklyn. 20 people have a beard and 18 people are wearing a \(t\)-shirt. If 4 people have neither a beard nor a \(t\)-shirt, how many people have both a beard and a \(t\)-shirt?

A. 6
B. 8
C. 10
D. 12
E. 14

[spoiler]OA=D[/spoiler]

Source: Veritas Prep