Caculate summary from other category

[ttyp]

Hi, can anyone help me to create dax formular that summary total Sale from product "A" but show data in row of product "B" like show in column "Dummy" but in row product "A" show 0 in column Dummy.

Product	Total Sale	Dummy
A	11
B	29	11

Below is raw data

Product	Sale
A	3
A	2
B	5
B	7
A	3
B	7
A	3
B	7
B	2
B	1

Thank you so much.