If a manager investigates how and why performance has deviated beyond the acceptable range of variation, and then corrects the source of the deviation, she is using Select one: o a. feedback control. b. immediate corrective action. C. concurrent control. d. basic corrective action. In the case of functional departmentalisation, jobs are grouped according to Select one: a. tasks. b. product lines c. territories d. Customer flow. Mahmoud is reviewing next week's orders, scheduling orders to machines, and assigning employees to run those machines. Mahmoud is engaged in Select one: a. leading b. organising c. controlling d. planning