Aika has 2 packets of seeds, packet $$\(\mathbf{A}\)$$ and packet $$\(\mathbf{B}\)$$ There are 12 seeds in packet $$\(\mathbf{A}\)$$ and 7 of these are sunflower seeds. There are 15 seeds in packet $$\(\mathbf{B}\)$$ and 8 of these are sunflower seeds. Aika is going to take at random a seed from packet $$\(\mathbf{A}\)$$ and a seed from packet $$\(\mathbf{B}\)$$ (a) Complete the probability tree diagram. (2)

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