Why is the traditional model of job control unionism antithetical to the forms of flexibility that are strongly emphasized by 21st-century business? (Check all that apply.) Multiple select question. Reward systems based on time standards encourage competition between workers. Varying work hours lead to unemployment and uncertainty about wages. Restrictive work rules limit procedural flexibility. Narrow job classifications restrict the deployment of workers to different tasks. Standardized wages do not allow wage flexibility and pay-for-performance. Seniority-based processes make it difficult to reward the best performers or lay off the worst performers