Hans reserved a table at a fine dining restaurant for twelve people. He has to pay a deposit for the reservation, and the deposit is a flat $20 plus an extra $3 per adult but only $1 per child. Two of the people in Hans’s party are his kid cousins, and the rest are adults. How many dollars does Hans have to pay as a deposit for the restaurant reservation?
Please reason step by step, and put your final answer within \boxed{}.
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