(LO 4) Access the PCAOB's proposed rule on the use of specialists at https:ll pcaobus.org/Rulemaking/Docket044/2017-003-specialists-proposedrule.pdf a. How does the PCAOB define the term "specialist"? b. Provide examples of activities that require the use of specialists. c. Describe the four ways that auditors can use specialists. Your response should include both company's and auditor's specialist. d. Explain the PCAOB's observations from audit inspections and enforcement cases that highlight weaknesses in the use of specialists. (LO 4) Access the PCAOB's proposed rule on the use of specialists at https:ll pcaobus.org/Rulemaking/Docket044/2017-003-specialists-proposedrule.pdf a. How does the PCAOB define the term "specialist"? b. Provide examples of activities that require the use of specialists. c. Describe the four ways that auditors can use specialists. Your response should include both company's and auditor's specialist. d. Explain the PCAOB's observations from audit inspections and enforcement cases that highlight weaknesses in the use of specialists