Job: Accounting Manager (United States)

I don't think I am being paid fairly due to the amount of education I have and the job functions that I perform. I have a MBA in accounting, but I am not allowed to even see the online/realtime bank statement, or make any decisions in the office but I am the Office/Accounting Manager. I don't have any authority to fire employees but I am part of the HR department. Everything that I do has to be explained to the owner in 2 year old terms because he has the mental capacity of a five year old. I am not allowed to write "stiff" collection letters to customers who don't pay, but he still complains that they don't pay. I do ALL the book keeping for the company and some for the old company but am not being compensated for it. I am the Owner/Operator assistant but I am more or less his lackey due to the idea he has of women. I see much bias, especially for the children of the owner...they are allowed to get tuition reimbursement, but I cannot. Plus the only benefits I have are 1 weeks paid vacation a year...that's IT. No medical/dental/401K nothing. I have to pay my insurance out of pocket through a completely different company. This place is a joke.