Final answer:
The correct answer is a)commercialization.
Step-by-step explanation:
Marketers make decisions about labeling, packaging, branding, pricing, and promotion during the stage of commercialization.
The correct answer is a) commercialization. Marketers begin to make decisions about labeling, packaging, branding, pricing, and promotion during the stage of commercialization. Commercialization is the final stage of the new product development process and involves introducing the product to the market and making it available for purchase by consumers.