Why did TPG not give me my full refund?

I was supposed to get 5,233 back minus turbo tax fees which was only 123. I got back 4,774. Where is the rest of my money? I have seen others complaining of this and I'm pissed. I did not allow this service to take any extra money and sure as hell wasn't told they would take any extra money from me. I want this fixed immediately. I don't want to here how the irs will send me a letter stating anything because the IRS says I'm getting 5233 and that's what should be in my bank account, period. I shouldn't have to jump through hoops to get my money, turbo tax needs to fix this issue, I paid for a service and it needs to be fixed.