Tamkang Company purchased air pollution prevention and control equipment in line with government subsidies for 3 million, which is 1/5 of the price of the Japanese government subsidy. When receiving this government grant, which of the following is true: A: The equipment cost should be reduced by 600,000 yuan. B: The deferred government subsidy income should be recognized as RMB 600,000. A. Only A is correct B. Only B is correct C. Both A and B are correct D. Both A and B are incorrect