Glven the above tree $($Image Credit$),$ answer the following questions:

How many subtrees does the root have?

How many subtrees does the node of "School" have?

How many sublrees does the node of "Household Budget" have?

Who is the parent of $$ Company $A^{\text{'}}?$

Give two examples of nor$-$leaf nodes.

Give an example leaf node that is at level $1.$

Give an example leaf node that is at level $2.$

Part III Build a BST

Create a BST by adding the following number in the order provided. When adding a new node, do not adjust the nodes that are already in the tree. No programming is needed for this part of the lab.

$40,35,55,15,30,45,50,25$

Part IV BST number of leaf nodes

In this part of the lab, implement and test a pair of public$/$private methods to determine the number of leaf nodes of a BST$.$ As a reminder, a leaf node is one whose left and right pointers are nullptr.

In the main function, add statements to create a BST object and test the above functions as you add nodes to the BST object. On a paper, draw the formation of the BST to verify the results of your testing.