John Rosevear TMFMarlowe Aug 9, 2015 at 9:12AM Workers assemble a Chevrolet Silverado 2500 HD at a General Motors factory in Flint, Mich. GM this week announced $877 million worth of upgrade plans for the Flint factory.
Take context from the input text and decide on the accurate relationship between 'Chevrolet Silverado' and 'General Motors' from the options provided.
Options: developer, manufacturer, product/material produced, subsidiary