Final answer:
The word 'nominal' in the sentence means that the store discount was only a small or insignificant amount.
Step-by-step explanation:
The word 'nominal' in the sentence means that the store discount was only a small or insignificant amount. We can determine this through the context clues in the sentence. None of the provided options accurately represent this meaning. Therefore, the correct ending would be E. because the discount was insignificant.
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