As one of its daily deals, PricePlunge offers a Microsoft Office 365 Small Business Premium 5-User 1-Year Subscription for Windows and Mac, model no. 6SR-00009, for $89.99 plus $4.99 for shipping. That's the lowest total price we could find by $35. For up to five computers or tablets, it includes full versions of Word, PowerPoint, Excel, Outlook, OneNote, Publisher, and Access. It also includes a business email and shared calendar, a team site with 10GB of baseline storage and 500MB per user, and more. Windows 7 or 8, or Mac OS X version 10.6, and an Internet connection is required. Deal ends today.