Consider a B+ tree having 2 keys per node.

a) Show the final B+ tree after inserting in this order of: 10, 20, 5, 10, 50, 55, 60, 30, 25 with step by step insertion

b) Show the final B+ tree using the bulk loading approach using: 5, 10, 20, 25, 30, 50, 55, 60