I'd like some help, thanks so much!

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Edit: Here is the cropped out part of the image I already completed, but is neccessary to see in order to complete the above questions.

2- After returning from findNode(key, p, c), give the code to: (note: don't consider the TreeNode Wrapper class) a) Fetch a deep copy of the node with key 4. b) Insert the node with key field 5. c) Delete the node with key field 6. d) Delete the node with key field 8