One study found that manufacturing labor costs about _____ an hour in China,

One study found that manufacturing labor costs about _____ an hour in China, compared to _____ dollars in the United States.
A. $2; about 25
B. About $2; about 15
C. Less than $1; about 15
D. Less than $1; about 25
E. Less than $1; about 40

 

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