Erik wright developed a four-class model to portray the social classes based on the work of karl marx. the first is

The four classes that Erik Wright identifies, based on the work of Karl Marx are: the capitalists, the Petty bourgeois, the managers and the workers.
So I assume that the first class that your question is asking for is the capitalists.

(some other scholars also identify other classes: the underclass and the working poor)

C; skin, is the answer!