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Customer training and customer consulting are two areas for service differentiation that manufacturers can use with their products.
The product-line length can be obtained by averaging the number of variants within the brand groups.
Companies normally develop product lines rather than a single product and introduce price steps such as a low-, average-, and high-priced computer system.
Co-branding is when two or more well-known existing brands are combined into a joint product and/or marketed together in some fashion.
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