Sentence 1: Tim had a new job. 
 Sentence 3: He kept track of his hours and showed them to his boss 
 Sentence 4:  The boss said he would look into it 
 Sentence 5:  Tim never got a resolution 
 Option 1: He didn't think he was getting paid fairly. 
 Option 2: He thought he was getting paid so he had no complaints with his boss.