The contingency table below represents employees of a communications company classified by age and field of expertise. Fill in the missing entries.​    Under 35  35-44 45+ Total  Engineering  7,635  7,875  6,429  21,939  Business  13,195      38,814  Education  4,802  5,143      Liberal Arts  10,377  10,440  11,010 31,827  Total  36,009    37,313  110,405

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