Display 0 in a table only when it comes from the source, otherwise should not display 0

[PoojaS]

Hi,

I attached the data which i used and also i have attached the table screenshot.
for the company C , we dont have any data. but in the table we can see 0 as a value.
so i dont wnat to show the 0 for the company C. i want to show 0 only for B as it has the values 0 for sales.
Could you please help me with the solutions.

[Lech_Miszkiewicz]

Add to your expression set analysis 

…., sales={“*”}

[MatheusC]

@PoojaS 
maybe this:

sum({<category={'Mobile'},sales-={""}>}sales)

Regarts, Matheus