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Dollywood corporation accumulates the following data concerning a mixed cost, using miles as the activity level. miles driven total cost january 10,000 $16,500 february 8,000 $14,500 march 9,000 $12,500 april 7,000 $12,000 compute the variable and fixed cost elements using the high-low method

Abakery wants to determine how many trays of doughnuts it should prepare each day. demand is normal with a mean of 5 trays and standard deviation of 1 tray. if the owner wants a service level of at least 95%, how many trays should he prepare (rounded to the nearest whole tray)? assume doughnuts have no salvage value after the day is complete.

Suppose the number of equipment sales and service contracts that a store sold during the last six (6) months for treadmills and exercise bikes was as follows: treadmill exercise bike total sold 185 123 service contracts 67 55 the store can only sell a service contract on a new piece of equipment. of the 185 treadmills sold, 67 included a service contract and 118 did not.