Alarge, profitable commercial airline company flies 737 type aircraft each with a max seating capacity of 132 passengers. compay literature states that the economic breakeven point with these aircraft is 62 passengers.

a.) draw a conoceptual graph to show the total revenue and total costs that this company is experiencing

b.) identify three types of fixed costs that the airline should carefully examine to loer its breakeven point. explain your reasoning

c.) identiry three types of variavble costs that can possivly be reduced to lower the breakeven point. why did you select these cost items?

Problem 3: access control pokeygram, a cutting-edge new email start-up, is setting up building access for its employees. there are two types of employees: managers and engineers, and there are three departments: security, networking, and human resoures. each employee works in a single department, and each department is housed on a different floor. managers are allowed access to any floor, while engineers are allowed access only to their own floor. there are three badge-operated elevators, each going up to only one distinct floor. every employee has one badge. pokeygram wants to use the best possible access control method in order to minimize delay for the elevators (a) access control matrix, 1. which of the following would you recommend that pokeygram use: (b) access control lists, or (c) capabilities? make sure to justify your answer. 2. what, if any, would be the benefits (and/or disadvantages) of using rbac (role-based access control) in this situation? keep your solution for this problem limited to 10-12 lines of text.