Most countries, including the united states, import substantial amounts of goods and services from other countries. yet the chapter says that a nation can enjoy a high standard of living only if it can produce a large quantity of goods and services itself. can you reconcile these two facts?

Exercise 2-12 cost behavior; high-low method [lo2-3, lo2-4] speedy parcel service operates a fleet of delivery trucks in a large metropolitan area. a careful study by the company’s cost analyst has determined that if a truck is driven 120,000 miles during a year, the average operating cost is 11.6 cents per mile. if a truck is driven only 80,000 miles during a year, the average operating cost increases to 13.6 cents per mile. required: 1.& 2. using the high-low method, estimate the variable and fixed cost elements of the annual cost of truck operation. (round the "variable cost per mile" to 3 decimal places.)

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.

You are a team of marketing consultants. it is 2008 and the great recession has struck. one of your clients is whole foods market (sometimes known as whole paycheck). wfm has come to you and asked for strategic advice on how to adapt their product and pricing strategies in light of the economic downturn: 1. advise wfm on the various approaches that could be taken to reducing price. be sure to consider potential psychological impact of price reductions on wfm consumers. 2. based on the options outlined in part 1, recommend an approach and support with marketing theory.