A Techno company has 14 machines of equal efficiency in its factory. The annual manufacturing costs are Rs 42,000 as well as establishment charges are Rs 12,000. The annual output of company is Rs 70,000. The annual output and manufacturing costs are directly proportional to the number of machines. The shareholders get 12.5% profit, which is directly proportional to the annual output of the company. If 7.14% machines remain closed throughout the year, then the percentage decrease in the amount of profit of the shareholders would be:
A. 12%
B. 12.5%
C. 13%
D. None of these