Operations Management help needed. please check your work, provide explanation if possible. if it's right I'll give you a like.

Since being renovated, the O'Connell Center is able to hold 10,133 people, but the stadium usually sells out at a capacity of around 9,500. During a home basketball game last season against Stetson, there were only 4,587 fans in attendance. The ticket manager of the O Connell Center is trying to figure out what the arena's utilization was on that night. What should he do? divide the throughput by the design capacity divide the throughput by the effective capacity Subtract the effective capacity from the design capacity Divide the throughput by the actual output