Can I use Google Docs for business purposes?

I'm setting up a very small wedding music business; I can't use Microsoft Office as I don't have the commercial version; can I use the free version of Google Docs?|||Why not? Everyone can use google docs.|||I have used Google Doc's for years and if works fine you can even find template's you can use. If your just starting a business you mite find it useful reading these free e books.|||You could use Office Web Apps 鈥?a free online version MS Word, Excel, PP and OneNote. You鈥檒l get the basic features and will need a Windows Live account to access.