The life cycle of a product includes

Product selection: A strategic decision that involves what product to produce, its form, features, and quantity. Process selection: Decides on the quality and quantity of manpower and capital, and the choice of production processes. Product design: Determines the processes available to make the product. Product design and process: Determine the quality and cost of the product. Product design: Affects the number of purchases, which impacts the producer's capacity planning decision.  The product design process involves the following stages: Ideation, Research, Concept development,... Show more

Product selection: A strategic decision that involves what product to produce, its form, features, and quantity.
Process selection: Decides on the quality and quantity of manpower and capital, and the choice of production processes.
Product design: Determines the processes available to make the product.
Product design and process: Determine the quality and cost of the product.
Product design: Affects the number of purchases, which impacts the producer's capacity planning decision. 

The product design process involves the following stages: Ideation, Research, Concept development, Production planning and execution, Post-production. 
The product design process involves identifying a market opportunity, understanding how to address it, and developing a solution to users' problems.

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