The inventory data for an item for November are:

1. Nov. 1: Inventory 20 units at $19
2. Nov. 10: Purchased 30 units at $20
3. Nov. 4: Sold 10 units
4. Nov. 17: Sold 20 units
5. Nov. 30: Purchased 10 units at $21
Using a perpetual system, what is the cost of the merchandise sold for November if the company uses LIFO?

a. $610
b. $600
c. $590
d. $580

Why is investing in a mutual fund less risky than investing in a particular company’s stock?

You hold a diversified $100,000 portfolio consisting of 20 stocks with $5,000 invested in each. the portfolio's beta is 1.12. you plan to sell a stock with b = 0.90 and use the proceeds to buy a new stock with b = 1.50. what will the portfolio's new beta be? do not round your intermediate calculations.

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.