In 2011, Tata became the first Indian brand to be named in the top 50 global brands in Brand Finance's 2011 Global Financial Report. What approaches would you use to estimate the value of brands? What assumptions underlie these approaches? As a financial analyst, what would you use to assess whether the brand value assigned by Brand Finance was a reasonable reflection of the future benefits from these brands? What questions would you raise with the firm's CFO about the firm's brand assets?