Johnston Forest in Rhode Island has a cave that houses thousands of fruit bats. Bat droppings are highly acidic and have ruined the paint on many Rhode Island cars. The flying radius of the Johnston Forest bats encompasses two towns, Johnston and Foster. The residents of Johnston collectively value bat removal at $400,000. Foster residents collectively value bat removal at $500,000. Pest control experts estimate that the cost of bat removal would be $450,000. Which of the following scenarios would lead to removal of the bats?
Instructions: You may select more than one answer.

a. Foster pays Johnston $50,000 to contribute to bat removal.
b. Foster and Johnston evenly split the cost of bat removal
c. Johnston contributes nothing toward bat removal.

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.