Answer:
Willow Trees Inc. should use bottom-up planning
Step-by-step explanation:
Bottom-Up Planning is an effective method to increase productivity and efficiency of the production process. It includes planning, and defining the objectives that company needs to achieve through bottoms first.
Firstly, targets that will help achieve lower level hierarchy are set into place. From there they are slowly incorporated in higher level goals that will eventually reach the global goals of the company.