A recent college graduate joined a legal firm as a trainee. On the first day of the job he was given a trainee induction manual that contained a very elaborate set of rules, policies, and procedures that he had to follow during the training program. Apart from job description, this manual also included detailed policies related to work hours, attendance, leave, performance appriasal, promotion, benefits etc. This detailed trainee induction manual with elaborately defined rules and policies indicates a high level of which dimension of organizational structure? High formalization High centralization High span of control High complexity