The following are the sample data sets from your class project about waiting line theories: arrival: 3, 4, 2, 2, 1, 2, 1, 4 service time: 67, 55, 66, 64, 42, 37, 49, 60 the arrival data were number of cars arrived per every 5-minute interval, and the service data were the number of seconds spent on taking the corresponding order. the management is not satisfied with the current total amount of time (in seconds) that a customer has to spend in the overall service process and would like to see a reduction of 6% in that total time. if the management's goal is to achieved, what would the minimum expected service rate (# cars served in a 5-min interval) has to be? give your answer to two significant places.

You are at a holiday dinner with your family. your relative makes the argument that the u.s. economy is resurgent and has recovered from the great recession of 2007 – 2009. economic growth, as measured by gdp, has been increasing from one quarter to the next. you beg to differ. how would you structure your argument with your relative? hint: you should think about two things, the accuracy of gdp measures, and whether gdp should be considered a comprehensive measure of a countries well-being.

Mr. smith recently faced a choice between being (a) an economics profes-sor, which pays $60,000/yr, or (b) a safari leader, which pays $50,000/yr. after careful deliberation, smith took the safari job, but it was a close call. "for a dollar more," he said, "i'd have gone the other way."now smith's brother-in-law approaches him with a business proposition. the terms are as follows: - smith must resign his safari job to work full-time in his brother-in-law's business.- smith must give his brother-in-law an interest-free loan of $100,000, which will be repaid in full if and when smith leaves the business. (smith currently has much more than $100,000 in the the business will pay smith a salary of $70,000/yr. he will receive no other payment from the business.the interest rate is 10 percent per year. apart from salary considerations, smith feels that working in the business would be just as enjoyable as being an economics professor. for simplicity, assume there is no uncertainty regarding either smith's salary in the proposed business or the security of his monetary investment in it. should smith join his brother-in-law and, if so, how small would smith's salary from the business have to be to make it not worthwhile for him to join? if not, how large would smith's salary from the business have to be to make it worthwhile for him to join?

A4-year project has an annual operating cash flow of $59,000. at the beginning of the project, $5,000 in net working capital was required, which will be recovered at the end of the project. the firm also spent $23,900 on equipment to start the project. this equipment will have a book value of $5,260 at the end of the project, but can be sold for $6,120. the tax rate is 35 percent. what is the year 4 cash flow?