Unlike the wholesale price of raw wool, the wholesale price of raw cotton has fallen considerably in the last year. Thus, although the retail price of cotton clothing at retail clothing stores has not yet fallen, it will inevitably fall.
Which of the following, if true, most seriously weakens the argument above?
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AThe cost of processing raw cotton for cloth has increased during the last year.
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BThe wholesale price of raw wool is typically higher than that of the same volume of raw cotton.
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CThe operating costs of the average retail clothing store have remained constant during the last year.
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DChanges in retail prices always lag behind changes in wholesale prices.
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EThe cost of harvesting raw cotton has increased in the last year
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