John is planning a party and needs to buy drinks. He wants to buy cans of soda priced at $1.25 each and bottles of juice priced at $2.50 each. He decides to buy 8 cans of soda and 6 bottles of juice. If he has $30.00, how much money will he have left after the purchase? Let's think step by step and output the final answer within \boxed{}.
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