How merge attribute work if results coming different for two loop

sgnarkhede2016

Hello,
I have scenario like below

   I have a data of 3 customers and testing below scenario

1. for two customer only monthly applicable and other one all period applicable

2. results getting on loop correct but during Merge operator data mismatched assigned wrongly. 

Obj1

Cust AVG_M 
1
2

Obj2

Cust  AVG_HY 
2

While merging second customer values assigned to first one Please help needful

Thanks,

MartinLiebig

Merge Attributes operator is just merging line by line. So line one, with line one. Thats just it.

BR,

Martin