Sum of Amount of two different table having period number in Column chart

Hi all,

I want to create a Column Chart which takes sum of amounts of two different tables having period numbers. Attached is the sample data -

Table

Expected Output in Column Chart -
Output

I tried to create the Column Chart but my values are not coming correct.
Column Chart Output

Is there any solution so that my column chart will take data from two different table and populate the values correctly.

Help appreciated!!

Thanks,
Pooja