Can a dealer scamer garnish my wages?

So I saw this add online for Ford of Upland to train employees as sales ppl. I was promised $2,000 every month plus commission from a guy ford of Upland hired to train us. I ve been working there about a month. On the 5th am supposed to get commisions. On the 20th am supposed to get my 2,000.( Well I only got $800 ). I signed a paper saying my trainer could garnish my wages at the end of the month by taking 350 to pay for the program at the end of my 1st month. So my trainer took out the money and I didn t get my 2,000 only 800. Do you think the bank will give me back my 350 if I tell them this has all been a scam and lies? I ve lost so much money first I paid $400 up front to the dealer to get my training started not they took out an extra $350. I basically haven t gotten paid for anything! I ve been working over 40 hrs each week and I haven t gotten evenot at all. Help me out please I don t know own what to do.

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