A company with $780,000 in operating assets is considering the purchase of a machine that costs $84,000 and which is expected to reduce operating costs by $16,000 each year. These reductions in cost occur evenly throughout the year. The payback period for this machine in years is closest to: a. .019 years
b. 5.3 yars
c. 48.8 years
d. 9.3 years

Portia grant is an employee who is paid monthly. for the month of january of the current year, she earned a total of $8,388. the fica tax for social security is 6.2% of the first $118,500 earned each calendar year and the fica tax rate for medicare is 1.45% of all earnings. the futa tax rate of 0.6% and the suta tax rate of 5.4% are applied to the first $7,000 of an employee's pay. the amount of federal income tax withheld from her earnings was $1,391.77. what is the total amount of taxes withheld from the portia's earnings?

Coca-cola was primarily known for its core competencies in marketing, bottling, and distributing aerated drinks. however, with the success of gatorade, coca-cola developed competencies in the development and marketing of its own sports drink, powerade. which of the following is true of coca-cola? a. it is leveraging existing core competencies to improve current market position. b. it is building new core competencies to protect and extend its current market position. c. it is redeploying and recombining existing core competencies to compete in markets of the future. d. it is targeting the chasm between the early adopter and early majority market segment.

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.