Select the items that describe perfect competition.
a) identical products
b) one seller
c) open entry and exit
d) price taker

Presented below is information for annie company for the month of march 2018. cost of goods sold $245,000 rent expense $ 36,000 freight-out 7,000 sales discounts 8,000 insurance expense 5,000 sales returns and allowances 11,000 salaries and wages expense 63,000 sales revenue 410,000 instructions prepare the income statement.

An economic theory that calls for workers to take control of factories is .

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.