Closing of Tyson Foods plant in Jefferson WI will result in loss of 400 jobs that pay between $20,800 and $27,768 annually

The article notes that production workers earn from $10 to 'about' $13.35 per hour.

Source:  U.S. Department of Health and Human Services

Tyson Foods to close Jefferson plant, eliminating 400 jobs in 2016.  (Madison.com, 11/20/2015)

The planned closures are due to a combination of factors, including changing product needs, the age of both facilities and prohibitive cost of renovations, as well as the distance of the Chicago plant from its raw material supply base, the company said in a statement.

The headline of the Tyson news release:  Tyson Announces Plans for Two Prepared Food Plants.