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.   Less than $1; about 40 B.   Less than $1; about 15 C.   About $2; about 15 D.   Less than $1; about 25 E.   $2; about 25

 

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