McDonald's recently made productivity gains by cutting the ________
A) wages of workers
B) weight of an order of French fries
C) time workers were trained
D) time it takes to make French fries
Answer: D
Explanation: Cutting training time for workers might actually decrease, rather than increase, productivity, so "time workers were trained" is an incorrect response. Cutting wages or portion size of French fries might increase productivity, but there is no evidence that McDonald's did this. There is evidence to show that McDonald's cut the time it takes to make French fries, making this choice the correct response.
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