Microsoft has started the sale of Microsoft Office 2013 and Office 365 Home Premium, MS Office 2013 Home Premium is available for $99.99 and Office 365 Home Premium $79.00.
Microsoft Office 2013 Home and Student is currently available for 139$ and comes with MS Word, MS Excel, PowerPoint and OneNote.
Microsoft Office Home and Business Package is available for 219$ which comes with MS Word, MS Excel, PowerPoint, OneNote and outlook.
Microsoft Office 2013 Professional package comes with MS Word, MS Excel, PowerPoint, OneNote, Outlook, Access and Publisher which costs $399.
Once Purchased, users will be able to get lifetime license and lifetime updates.
The details are available here