Mr. Yang holds a 10% stake in a limited liability company, which does not have a board of directors and board of supervisors. Yang found that the executive director Mr. Ho holding the company’s 90% interest) sold the company’s products at a low price to the other company which is run by his wife. Then, Mr. Ho reported in writing this matter to the supervisor of the company Mr. Jiang. For personal reasons, Mr. Jiang did not look into this matter. What is the best way Mr. Yang can do to protect the legitimate interests of the company and his own?