Anita is employed as plant manager for Mojo Industries, Incorporated. Though she spends some time performing all management functions, she is particularly concerned with tactical planning and controlling. Anita's position would be classified as part of Mojo's:

middle management

Explanation:

Based on the scenario being described within the question it can be said that Anita's position would be classified as part of Mojo's middle management. This management level is responsible for leading the line managers as well as junior staff employees and their performance/productivity, including planning and controlling to make sure that everything is running as efficiently as possible.