Mercury air’s debt consists of $50,000 in accounts payable, mercury air’s debt consists of $50,000 in accounts payable, $100,000 in 10 percent notes payable and $240,000 in 8 percent bonds. mercury has no preferred stock. if its marginal tax rate is 35 percent, what is mercury’s financial breakeven point? $100,000 in 10 percent notes payable and $240,000 in 8 percent bonds. mercury has no preferred stock. if its marginal tax rate is 35 percent, what is mercury’s financial breakeven point?

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.