Bad thing - Screen cracked

Today, a person asked me to use his canon slr camera to help him take photo... however, the camera is not properly placed, when i gonna take up the camera, it fall down and hit on the chair straight on the lcd screen... The screen cracked! I am sorry for that, even all people around said it is not my fault but I wanted to compensate that guy at least some money.... But I am not affordable to pay for full amount, I do not know how to tell that person i can't bear that such a big money.... I will see him around in the future time in the campus even though I do not know his name.... What should I do?