There are 400 employees in a room. 99% are managers. How many managers must leave the room to bring down the percentage of managers to 98%?  Choices:
A) 50
B) 100
C) 150
D) 200
E) 250

Rationale: "there are 396 managers and 4 others . the 4 others would compose 2 % of the total number of people if there were 200 people in the room . thus 200 managers must leave . the answer is d ."
Answer: D