1 the number of times that delivery of a meet all defined per month * 100/total number of times that delivery of a whole month with the score of each vendor has an average%
1 Number of times sent by the due per month * 100 / Number of times per month by sending all scores to the weighted average of the individual vendors as%.
The number of times of 1 send right on schedule all month * 100 / the sending of all per month by the scores of the seller to average each accounted for.