Who are the private equity partners and discuss the nature /type of private of equity action regarding Toys R Us. (Mezzanine capital, or leveraged buyout, or venture capital)? Evaluate whether the above mentioned consequences on Toys R Us business are a result of the state of the retail business prior, or the financial constraints resulting private equity action (exorbitant fees debt levels, lack of investment, bonuses earned by the investors, or other management related dysfunctions)