Counting your cards

Tournament director was called to a table the other night.   A problem arose when it was discovered towards then end of the game that East had started with 14 cards and West had started with only 12 cards.  North/South were in their contract and had committed no foul.       

TD rules as follows -

(a) East/West from the previous round who misplaced the cards were given a warning

(b) East /West who found the problem were awareded Average Minus as they have a responsibility to count their cards before looking at same.    ( Had one of them done so the error would have been discovered and fixed,)

(c) North/South  were awared an average as they were not involved in the problem.