[Retracted] Analysis of Enterprise Marketing Data Management Integration and Innovation Path Based on BD

Table 3

“Four points” comparison chart of line loss rate in back office before and after lean management.

Station number	Ratio of line loss
	May 2020	May 2021
UE01	2.86	2.6
UE02	7.52	5.61
UE03	6.2	4.82
UE04	9.77	8.6