help pls

this is Management information system

IT infrastructure is one of a main focus in an organization's well being. Jobs can be done more effective and efficient if the flow of the work can be done automatedly. For example, BurgerLeaf, a competitor of BurgerQueen, has been focusing the good governance of their IT infrastructure that obviously yields a profitable business income for three years. Customers able to order the menu easily once they are seated by using a touch screen android tablet provided. Once the payment process are completed, the kitchen manager is responsible to make sure that the orders are completed within 10minutes. The objective of the department is to cut the waiting time and focus on customer's satisfaction. The managers at the same time are not only monitoring the numbers of order but also the customers' feed backs. The overall result of the business strategy yields a profitable income and customers satisfactions. a. Identify THREE (3) levels of IT infrastructure and state how each of the elements support the activities. (3marks) b. There are 7 (SEVEN) key infrastructure components. Identify the components and identify an activity how the company apply each of the components. (you may make your own assumption for the activity). (7m)