Private equity firm DiamondGrey is considering investing in solar energy company Few-Drums, but only if the company's debt-to-equity ratio is well below 50%. The target company's financial report shows shareholders' equity of USD 1.2 billion and bank debt of USD 0.7 billion. The integrated report, which takes into account natural, social, human and financial capital, shows an aggregate negative capital (financial + natural) of USD 1.2 billion and revalued shareholders' equity at USD 2.5 billion.

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