Which of the following method can be used to identify profit center? Please select one best answer.

Question 24 options:

A)	Type of clients such as the government and the private industry

B)	Type of contracts such as Design-Bid-Build, Design-Build, and Construction Management

C)	Type of works such as residential, commercial, and highway

D)	Cost structure such labor intensive work and equipment intensive work

E)	All of the above