Q$13.$ Please cite all your sources properly within the text and at the end of your answer

Use internet resources to Compare and Contrast Google IPO to Facebook IPO in terms of

a$.$ the IPO method,

b$.$ the IPO underpricing$/$overpricing$,$ the possible reasons for any underpricing or overpricing $($you can consider "IPO underpricing theories"$).$

c$.$ what went wrong and what was right about each IPO and

d$.$ whether any other form of IPO would have been better for each company.