If Microsoft's prediction in the last year and analyst estimation are correct,
http://www.reuters.com/article/ousiv/idUSN2434172120080324
Let's assume they sold 5 million licenses at $8 for each license. It's $40 million profit.
Revenue, not profit.
Also Microsoft Office 2008 for Mac was released in this quarter. I hadn't known it but it seems it's a huge business for MS.
http://www.microsoft-watch.com/content/business_applications/microsofts_big_mac_sales.html
The Microsoft Business Division that sells Office earned whopping $3,138 million profit this quarter.
http://www.microsoft.com/msft/earnings/FY08/earn_rel_q3_08.mspx
Though this number is likely to come most from corporate licenses and I expect retail sales are far smaller, Mac Office is a serious contributor.
Which is not the E&D division. Most retail office sales (~85%) are also discounted student editions.
Perhaps you can tell me how much the cafeteria pinball machine made in redmond also.