During the annual audit of a company, the auditor found an invoice signed by Zhao Yi, Qian Renli, Sun Zhi and Li Xin. The signers had different identities, including one of the manager, review, cashier or examination and approval leader, and each signature was signed by himself. Ask four related people and get the following answer: Zhao Yi: the signature of the examination and approval leader is not Qian Renli. Qian Renli: the signature of the review is not Li Xin. Sun Zhi: the cashier's signature is not Zhao Yi. Li Xin: the signature of the review is not Qian Renli. It is known that in each of the above answers, if the person mentioned is the manager, the answer should be false; if the person mentioned is not the manager, it is true.
the company's review and cashier?
Qian Renli , Li Xin