Your parent offer you the opportunity to invest $ 50,000 in new coffee shop on the existing building on their property. It is located in the city centre. This building has 200m2 of space. Assumed that the project lasts 9 years, opportunity cost of capital is 10%, corporate income tax is ignored. a. You should make some assumptions and forecast intial investment (cost of reparing old building and purchase of fix assets); operation cash flow (\, price per cup of coffee, number of cups of coffee per year; cost, depreciation, profit and cash flow from operation); and cash flow from changes in working capital.
b. What is NPV of this project? Do you invest this project? Why?

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.