(20 18 Zhenti) A futures company hired Wang as the company's chief risk officer. Among the following statements about Wang's work, the correct one is ().

Answer: a, b

The chief risk officer shall refuse the instructions or instructions that infringe upon the legitimate rights and interests of customers and futures companies; When necessary, it shall promptly report to the dispatched office of China Securities Regulatory Commission where the company is domiciled. Working papers and work records shall be kept for at least 20 years.

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