A university has recently built a new computer lab to provide trainings to students. The capacity of this computer lab was designed to be 1,500 students per semester. Since the computer lab was first put into use, the system has become more complex due to scheduled maintenance and computer setups, so that now 1,300 represents the most students that can be trained per semester. In the last semester, 1,100 students were trained. The efficiency of this system is about _____and the utilization is about_____

a. 118%; 136%

b.85%; 73%

c..1,300 students; 1,100 students

D. 73%; 85%