Connecticut Electronics Retailer ("CER") borrows $1,000,000 from Bank One and gives Bank One a security interest in, among other things, its inventory, equipment and accounts. Bank One files a financing statement with the Connecticut Secretary of State's office covering all this and after-acquired collateral. CER buys 100 stereo systems from Stereo Manufacturer on credit, executing a security agreement granting Stereo Manufacturer a security interest in the stereo systems. CER defaults on its loan payments to Bank One. Can Bank One attach the 100 stereo systems CER bought from Stereo Manufacturer?