'Sustainable Cost' Is the Amount an Organisation Must Spend To

'Sustainable cost' is the amount an organisation must spend to:

A) Maintain its current level of social and environmental performance
B) Return the biosphere to the state it was in at the beginning of the accounting period
C) Sustain its current level of profitability, given increasing societal expectations for improved social and environmental performance
D) Adequately report its financial, social and environmental performance in accordance with the ethical formulation of stakeholder theory