Please explain completely:

a. Define the terms planning and control and explain how they relate to one another and lead to the achievement of goals!

b. Planning and control are closely connected in practice. The idea that the outcomes of control activities serve as inputs for the next planning cycle is one indication of their inseparability: for example, a control initiative or investigation may point to a flaw in planning, which is then fixed in formulating the next period's plans. Required: Give at least two other examples showing how planning and control are closely connected!