Given the B+-Tree below which has p = 3 and pLeaf = 2, 3 4 1 8 9. 12 Answer the following questions when entry '8' is deleted in the abové tree: i) Are there any underflows in the leaf nodes? ii) If there are underflows, do they propage to the internal nodes? iii) Is there any redistribution of entries (either leaf nodes or internal nodes)? iv) Are any sibling leaf nodes involved in this deletion? V) Is the tree height reduced?

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