Capital equipment has to be replaced, maintained and disposed of to the best tax advantage. The range of products or degree of standardisation must be decided. Materials must be chosen. Such matters link innovation and marketing to production. Ford had an initial style acceptance problem with the Sierra.
Specifications are more accurate.
A car is a body shell, engine, gear box and so on. A sandwich bar offers an array of fillings with basic ingredients. This is the argument for sixth form colleges - concentrate resources and students in order to retain quality and choice. The consumer however may have less choice. Locational Decisions A department store groups similiar products to maximise staff product knowledge and satisfy customer expectations.