Is an 8% impairment rating normal for ACDF c6/c7?

This is a worker’s compensation question and any help would be greatly appreciated. I was injured at work in 2011. It was an injury to my dominant arm and elbow with numbness in my hand and finger (same arm). I received injections and physical therapy, was sent back to work on full duty (with pain pills). I ended up pulling a muscle in my left shoulder (was on leave a few days), started having neck problems and terrible headaches. Finally an MRI is done which showed herniated disc. Three years after my injury, I received an ACDF to C6/C7 with hardware. I had to have 2 injections into my right shoulder since and expecting another one soon. My FCE rating was 8% BAW with weight limit of 35 lbs. (occasionally). A voc eval was 45%. My gross weekly income before injury was $399. My attorney is estimating settlement at $26,500 with medical left open. This seems very low to me but I'm not knowledgeable in this area. Anyone have any advice, ideas or whatever? Thank you so much in advance!