In 2016, Natural Selection, a nationwide computer dating service, had $522 million of assets and $211 million of liabilities. Earnings before interest and taxes were $131 million, interest expense was $28 million, the tax rate was 40 percent, principal repayment requirements were $25.1 million, and annual dividends were 20 cents per share on 21.5 million shares outstanding. a. Calculate the following for Natural Selection: (Round your answers to 2 decimal places.) b. What percentage decline in earnings before interest and taxes could Natural Selection have sustained before failing to cover: (Round your answers to 1 decimal place.)

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.