Can you help me figure out this question?

2. (SeaWorld IPO and 424B4 form) http://www.sec.gov/Archives/eg/data/1564902/000119312513161702/d448022d424b4.htm SeaWorld Entertainment went public on April 19, 2013. Goldman Sachs and some other investment banks formed an underwriting syndicate to underwrite the deal for a gross spread (also called underwriting discount) of $1.62. The offer price was $27.00 per share. The number of shares offered was 26,000,000 (a) Where are the shares of "Sea World Entertainment" traded after the IPO? (b) What is the ticker symbol of"SeaWorld Entertainment? (c) How many (primary) shares did the company offer in the IPO? How much money did the company receive from the IPO? (d) How many (secondary) shares did the selling stockholders offer in the IPO? How much money did the selling stockholders receive from the IPO? (e) Calculate the percentage gross spread. Also, how much money ($) did investment banks collectively receive from underwriting 26 million shares? (f) The IPO prospectus mentions that "the underwriters have the option to purchase up to an additional 3,900,000 shares from the selling stockholders at the initial public offering price less the underwriting discounts and commissions." This option is called "overallotment' option. Calculate its percentage (%) of the number of shares sold originally. How much more money (S) did investment banks collectively receive from exercising the overallotment option? (g) The first-day closing price (on 2013/04/19) was 33.52. Calculate IPO underpricing 1%) and the money left on the table (S, ignoring the overallotment option) SeaWorld Entertainment, Inc. Co SEAS Aug 15, 2014 40 30 25 20 O Yahool 15 Sep 12 Jan 13 May 13 Sep 13 Jan 14 May 14