Check and find the lowest cost from fields on the website

Hi everyone.

I want to get the lowest price when selector and compare from some field on the web.

Some field has selector as below picture

I want to count and select all of field which contain the cost and then compare and get the lowest cose.

I have used While + If activity… but what command to got the lowest price from comparing.

Thanks in advance!
My XAML file : File.xaml (10.6 KB)

Hi Everyone.

Anyone has ideas ?

Thanks you!