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D Question 24 4 pts Refer to the scenario described in the previous question. Which of the following controls would have prevented the fraud from taking place? O a. Having someone in Fleming purchasing department validate each new doctor before they can receive payments Ob. Making the payments directly to the doctors O c. Requiring all doctors to submit bills or invoices directly to Fleming O d. Segregating the functions of claims processing and claims payment O e. None of the above