Apple’s 10-Q form filing with the U.S. Securities and Exchange Commission has revealed the largest sequential increase in purchase commitments for a March quarter to US$11 billion, as iPad 2 production ramps up, reports “AppleInsider” (

The “10-Q Tidbits” were highlighted this week by analyst Katy Huberty with Morgan Stanley, the article adds. The financial document shows that Apple’s purchase commitments increased 39 percent quarter over quarter by the end of the March quarter.

Apple plans to spend $11 billion on components and other purchases in the March quarter, up from $7.9 billion at the end of 2010. That sequential increase is a record for a March quarter.