Eight flags operates several amusement parks in the midwest. the company stocks machine oil to service the machinery for the many rides at the parks. eight flags needs 30 comma 000 gallons (d) of oil annually; the parks operate 50 weeks a year. management is unsatisfied with the current supplier of oil and has obtained two bids from other suppliers. the data are contained in the following table. annual freight costs shipping quantity (q) supplier 5,000 10,000 15,000 price/unit (p) annual holding cost/unit (h) lead time (l) (wks) annual administrative cost sharps $5 comma 600 $3 comma 900 $3 comma 500 $3.80 $0.76 3 $4 comma 000 winkler $5 comma 400 $3 comma 800 $3 comma 500 $3.70 $0.74 5 $4 comma 500 which supplier and which shipping quantity will provide the lowest costs for eight flags?

Acompany is developing a new high­performance wax for cross country ski racing. in order to justify the price marketingwants, the wax needs to be very fast. specifically, the mean time to finish their standard test course should be less thanseconds for a former olympic champion. to test it, the champion will ski the course 8 times. the champion's times(selected at random) are 59.9 61.9 48.8 52.2 46.6 45.3 50.6 and 41.1 seconds to complete the test course. complete parts a and b below. a) should they market the wax? assume the assumptions and conditions for appropriate hypothesis testing are metfor the sample. assume=0.05. what are the null and alternative hypotheses? choose the correct answer below. b) suppose they decide not to market the wax after the test, but it turns out that the wax really does lower the champion'saverage time to less thanseconds. what kind of error have they made? explain the impact to the company of such anerror.

Frolic corporation has budgeted sales and production over the next quarter as follows. the company has 4100 units of product on hand at july 1. 10% of the next months sales in units should be on hand at the end of each month. october sales are expected to be 72000 units. budgeted sales for september would be: july august september sales in units 41,500 53,500 ? production in units 45,700 53,800 58,150

In each of the following, what happens to the unemployment rate? does the unemployment rate give an accurate impression of what’s happening in the labor market? a. esther lost her job and begins looking for a new one. b.sam, a steelworker who has been out of work since his mill closed last year, becomes discouraged and gives up looking for work. c.dan, the sole earner in his family of 5, just lost his $90,000 job as a research scientist. immediately, he takes a part-time job at starbucks until he can find another job in his field.