Show the extendible index for the original index in

and Show the index after inserting an entry with hash value 4 into the original index. What is the I/O cost of the insertion? also Show the index after inserting an entry with hash value 15 into the original index. What is the I/O cost of the insertion?

Level =0 \begin{tabular}{c|c|} h(1) & h(0) \\ 000 & 00 \\ 001 & 01 \\ 010 & 10 \\ 011 & 11 \\ 100 & 00 \end{tabular} PRIMARY OVERFLOW PAGES PAGES