But it wasn't immediately known when the wage negotiations would take place and the remaining seven South Koreans would return home.

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The wage gap seems largely due to differences in company type and partially due to remaining discrimination.

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The company said virtually all of the 5, 750 remaining jobs would be new hires at a yet-undisclosed lower-tier wage.

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Testimony from the hearing's two remaining witnesses focused on the economic impact of immigration reform, and whether it would damage job and wage prospects for citizens on the lower rungs of the economic ladder.

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