Harry is given £$30$~for his birthday. He used it to buy a bag of sweets for £$3.99$, a magazine for £$2.50$~and some stickers for~$70\text{p}$. He then goes into a restaurant and orders a £$10.99$~pizza to share with his friends, together with four glasses of orange juice for £$1.50$~each. How much change does he have left? 
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