How do I know if a Adobe product is paid (enterprise)?

I am preparing a university paper about a Adobe case and I need a couple of informations.

How do I know if a product is paid or not (regarding an enterprise), and how much does each cost? Is there a full price list?

My example has this softwares 'scanned':

Adobe Acrobat - Reader Update

Adobe Acrobat

Adobe Acrobat 7.0 Professional

Adobe Acrobat Standard

Adobe Acrobat Reader DC

Adobe Acrobat X Standard

Adobe AIR

Adobe Download Manager

Adobe Flash Player ActiveX

Adobe Flash Player Plugin

Adobe Flash Player NPAPI

Adobe Flash Player PPAPI

Adobe PDF iFilter

Adobe Reader 7 Install

Adobe Reader

Adobe Refresh Manager

Adobe Shockwave Player

Adobe SVG Viewer

swMSM

Thank you!