The Academic Computing Center has five trainers available in its computer labs to provide training sessions to students. Assume that the design capacity of the system is $2500$ students per semester and that effective capacity equals $88\%$ of design capacity. If the number of students who actually got their orientation session is $2150,$ what is the utilization of the system?

A$.90\%$

B$.1350$ students

C$.86\%$

D$.2150$ students

E$.88\%$