Final answer:
The marketing emphasis is on making virtues out of product features that lead to low cost is not a distinguishing feature of a low-cost provider strategy. The correct answer is c).
Step-by-step explanation:
The correct answer is c) The marketing emphasis is on making virtues out of product features that lead to low cost. In a low-cost provider strategy, the marketing emphasis is on highlighting the low cost and value of the product, rather than making virtues out of specific product features. This strategy aims to attract value-conscious buyers and relies on frequent advances in technology and occasional product innovations to sustain it. The other options listed, a, b, and d, all describe distinguishing features of a low-cost provider strategy.