This text discusses Silver Lake's investment in Instinet IB and Inet/Nasdaq, including the reasons for the investment, the valuation of the companies, and the deal structure. The investment in Instinet IB seems viable based on the discounted cash flow method, while the valuation of Inet/Nasdaq was computed using the cost of asset and a growth rate of 2%. The deal structure included convertible debt, term loan, and warrants to provide cushion to Silver Lake and pass on benefits to equity traders. The partnership met the needs of both Silver Lake and Nasdaq.