4.3.2.1d - Product life cycle extension

Explain extending the product life cycle through international trade.

Use d - product life cycle extension to connect the rule to the data and decision in the question.

This matters because d - product life cycle extension determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply d - product life cycle extension to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: d - Product life cycle extension is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.