There's no way the typically included 30-day trial of an antivirus or Office costs 50€. It must've been a full yearly subscription of one or the other, that managed to sneak in right before checkout without being de-selected.
Camera : Software for Integrated Camera (Only for standard Base )
Windows Live
Optical Software : PowerDVD Software for Vista Home Premium and Ultimate, WIN7 Home Premium, Pro or Ultimate
Software Driver : Latitude E6420 Diagnostics & Drivers 1 S
Operating System : French Genuine Windows 7 SP1 Professional (64Bit OS) 1 S
OS Media : MUI Windows 7 SP1 Professional (64Bit OS) Resource DVD 1 S
Software : Microsoft Office Starter 2010 1 S
Operating System Recovery Dell Backup and Recovery Manager for Windows 7 SP1 1 S
AntiVirus : Trend Micro Worry Free Business Service (15 Month subscription)Software MUI
I sure as hell did not order extra antivirus or other kind of software but I guess it's possible there was some "Office and 15-month antivirus included" marketing offer that turned out to to neither be free nor optional...