1-Could you please confirm under which licensing model acquired the product you see on the difference (negative values) and specify the contract number, if applicable, or send the photography of the COA if they are OEM (pre installed) or FPP (Full Packaged Product)?
2-Versions of Windows Desktop deployed in your company are outdated, for this reason we recommend to migrate to the most stable and reliable version existing in the market, Windows Professional 8.1 under a Volume Agreement, because this model eases the installation and management of your licenses, offers tax benefits and the possibility of acquire Software Assurance.