Can you have your wage differential and your perm total, too? In the case of Chlada v. Ill. Workers’ Comp. Comm’n, 58 N.E.3d 848, 405 Ill.Dec. 587 (Ill. App. 2016) , the answer from the Appellate Court was a resounding YES. In this case, the petitioner was employed as a beer truck driver / salesman.