8ee68c2d_RMS___Wichita_State_University__Answer
[Topic] IEEE (Tornado) [Question] Why do the points add up to 1000? [Answer] 
that is because all points are not added. The last two items are an "or." You either "pass through the lobby" or you don't. Hence, the difference in points.
SHOCKER MINDSTORMS - Wichita State University
Answer