In which stage of the product life cycle should product strategy focus on process modifications as the product is being "fine-tuned" for the market?

The answer is introduction stage

Explanation:

Product life-cycle is the life of a product from its introduction to its death or non-existence. It has four stages - Introduction, growth, maturity and decline.

Product strategy focus on process modifications as the product is being "fine-tuned" for the market should happen at the introduction stage because here the product is entering for the first time. The product should be fine-tuned at this stage for customers to have good perception about the product.