Trick to the top

A corporation advertised all kinds of positions to fill for their new office in a big city.
The candidates were selected based on their resume and tested for their aptitude for the positions.
.
The corporation put around one hundred baseball balls in some particular order in a closed room with the room window open. Then they send a group of two to three candidates of particular discipline into the room and locked it from outside. They left them alone and came back after six hours, to analyzed the situation:

[1] If they were counting and recounting the number of balls - They were hired for the ACCOUNTS DEPARTMENT
.
[2] If they had messed up the whole place with the balls - They were hired for the ENGINEERING
.
[3] If they were arranging the balls in some other order - They were hired for the PLANNING
.
[4] If they were throwing the balls at each other - They were hired for the OPERATIONS
.
[5] If they were sleeping - They were hired for the SECURITY.
.
[6] If they had squashed the balls into pieces - They were hired for the INFORMATION TECHNOLOGY
.
[7] If they were staring out of the window - They were hired for the EXPORT
.
[8] If they were sitting idle - They were hired for the HUMAN RESOURCE DEPT
.
[9] If they had thrown the balls out of the window - They were hired for the
MATERIALS DEPT
.
[10] If they were clinging onto the balls - They were hired for the TREASURY
.
[11] If they said they had tried different combinations, yet not a ball had moved - They were hired for the SALES
.
[12] If they had already left for the day - They were hired for the MARKETING and finally.....
.
[13] If they were talking to each other and not a ball had moved - They were hired   for the TOP MANAGEMENT.
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The corporation was in a business and that too booming in a new location in no time.