That’s good, for a moment I was thinking you didn’t know they were different measurement units 
So why the small scale is not using g (grams) ?
Thats customer thing, i never ask them. They will do what they want and if i cant give them any solution for it they will find somebody else.
How you can run a business as a “SambaPOS Reseller” and not even ask the simple question from your customer, I am speechless…
How you can provide any sort of service when you don’t even ask the most simple question?
Do you understand what it is to provide a service and a solution to a customer?