In section 8.5, the author discusses basic organizational structure (how organizations are designed to operate and report). (a) Tell us which of these structures was active at Wells Fargo before Scharf took over the bank. (b) Then describe the structure after Scharf became CEO. (c) Explain the key differences. (d) Remark on the impact of the change on Wells Fargo. You may also consider referring to major features of organizations and make the case if a different structure improves these features.