Which of the following statements best describes job design in an HR context? A. The key challenge in effective job design is balancing several different variables and interests when determining how best to turn work inputs into work outputs. B. Job design is the only HR activity that is not informed by job analysis. C. Job design is a 'process problem' and not a 'people problem' meaning that it should focus on work process and not the people who will need to perform the job. D. All of the above