The present value of a single sum is: select one: a. the amount that would be paid today to receive a single amount at a specified date in the future b. the amount that would be paid today to receive a single amount at an unspecified date in the future c. the amount that would be paid at a specified date in the future to receive a single amount today d. the amount that would be paid at an unspecified date in the future to receive a single amount today e. none of the above

Max fischer is a beekeeper. his annual group insurance costs 11,700. his employer pays 60% of the cost. how much does max pay semimonthly for it?

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.

Suppose that two countries, britain and the u.s. produce just one good - beef. suppose that the price of beef in the u.s. is $2.80 per pound, and in britain it is £3.70 per pound. according to ppp theory, what should the $/£ spot exchange rate be? suppose the price of beef is expected to rise to $3.10 in the u.s. and to £4.65 in britain. what should be the one year forward $/£ exchange rate?