You're a consultant advising a major pharmaceutical company's research and development department, where employees engage in highly complex, dissimilar tasks as they develop new drugs. Employees in the department currently have very little oversight, and corporate management worries that this could result in higher costs and poor products. Which of the following choices will NOT help the company increase control over these workers? Group of answer choices Increase standardization within the department Increase supervisors' spans of control within the department Increase horizontal differentiation within the department Make the hierarchy taller within the department