Refer to the input text as context and select the correct relationship between 'Xbox 360' and 'Microsoft' from the available options.
Options: distributed by, manufacturer, subsidiary, chief executive officer

Microsoft ( MSFT.O ) added 1.2 percent to $20.76 after the software maker said it sold 28 million units worldwide of its Xbox 360 video game console through the end of 2008, extending the Xbox's lead over rival Sony Corp's ( 6758.T )( SNE.N ) PlayStation 3.
manufacturer