Information Technology Has Made Many Tasks Easier,but Not All Tasks

Information technology has made many tasks easier,but not all tasks.Which of the following tasks performed by managers requires more critical thinking skills than the others because it is not as dependent upon information technology?

A) Sensitivity analysis
B) Rolling up individual units' budgets into the company wide budget
C) Removing slack from the budget
D) Preparing responsibility center performance reports that identify variances between actual and budgeted revenues and costs