The results show that with short lead time,the system cost has reduced by a large margin.The mean of retailer and wholesaler rises and the SD of them reduce.The mean and SD of the factory don't change much. 6.Conduct the game for the third time by centralized system and analyze the result. The results are: Graph X OK Factory 328 Inven- tory 5 234 Back- I D order 0 l:- e 1 Order 3 1 -140 a Cost S 46 Time Graph X OK Orders 7 Retailer Whole- 5 saler I L::1 Distrib- utor s Factory 0 5 12 1…27 TimeThe results show that with short lead time, the system cost has reduced by a large margin. The mean of retailer and wholesaler rises and the SD of them reduce. The mean and SD of the factory don’t change much. 6．Conduct the game for the third time by centralized system and analyze the result. The results are: