Which of the following statements regarding responsibility accounting is not correct? Select one: a. It calls for the preparation of responsibility reports listing the budgeted and actual revenue and/or expense items over which the manager has control. b. It is most effective in a centralized business structure where senior managers exert control over various segments of a company's operations. c. It requires top management to focus on long-term planning for the entire company and delegates the authority for implementing that plan to lower levels of management. d. It calls for the preparation of reports containing detailed information regarding the performance of a responsibility center