Incorrect Join in between VBAK and VBAP

Hi Experts,

Calculation view has been created with sales doc and sales item customized tables(fields) and details are:

1) left outer join

2) Cardinality n:1

card n:1

in the data preview, am getting in correct results( getting doubles results)

VBAK Tables Data In the below:

Table Data

am confused here, how to join in between VBAK and VBAP.

I know joing is incorrec VBAK(7235) --> VBAP(2 twice of 7235) and getting incorrect results.

Kindly suggest how to join?

Thanks.

Best Regards,

Edukondalu K