Answer:
c. 70
Explanation:
There is the highest growth opportunity in the history of capitalism. As per the top hundred in 2010 in the biggest organization of the headquarter of the world in the nation of developed as it gets 17% of its income which is appear from the markets.
Therefore, their donation was 36% of the global gross domestic product. After this, the economies are expected to give a 70% contribution till 2025. Hence, the cost will rise to $30 trillion from $12 trillion till 2025.
So, the correct answer is c.