Which of the following is a problem when using management science approaches to management?

a. Modern computers do not have the power needed to handle highly complex mathematical modeling.

b. Many managers do not know enough about mathematical techniques to use them effectively, so they often arrive at the wrong conclusions when using management science.

c. The managers using these techniques may fail to take factors into account that change the outcomes of mathematical models.

d. Quantitative approaches are more effective for solving worker engagement problems than they are for actually increasing productivity.