Both questions are answered with a clear main reason (cost) and a plausible solution (consumer education), supported by a relevant extended example, though the solutions section is developed less fully than the causes.
7.0Ideas progress logically across well-structured paragraphs with effective referencing and cohesive devices, with only occasional lapses such as an imprecise closing phrase.
7.0Vocabulary is sufficiently flexible and precise, with useful topic language such as trade networks and counterintuitive. Minor weaknesses include changer for change and the vague expression want these goods in his life.
7.0GRAGrammatical Range and Accuracy
A wide range of complex structures is used with generally good control, including conditionals and relative clauses, with occasional errors that do not impede understanding.
7.0