Final answer:
True, systematic reviews of a company's product mix aid in determining when product deletion is necessary by identifying underperforming or unprofitable products, aligning product portfolios with business strategy, and optimizing market positioning.
Step-by-step explanation:
The statement is True: Systematic reviews of a company's product mix are indeed useful in determining when product deletion is necessary. A systematic review can identify products that are underperforming, not contributing to the company's strategic goals, or not profitable. Through careful analysis of sales data, customer feedback, and market trends, companies can make informed decisions about which products to continue offering and which ones to remove from their product lineup. This process helps in optimizing the product portfolio for better alignment with the company's business strategy, resource allocation, and market positioning.