Information provided by the manufacturers of school buses owned by the lincolnville school disctrict suggests the mean maintenance cost per year is $4,400 per bus with a standard deviation of $1,000. compute the mean maintenance cost for lincolnville buses. does the lincolnville data seem to be in line with that reported by the manufacturer?

Teller co. is planning to sell 900 boxes of ceramic tile, with production estimated at 870 boxes during may. each box of tile requires 44 pounds of clay mix and a quarter hour of direct labor. clay mix costs $0.40 per pound and employees of the company are paid $12.00 per hour. manufacturing overhead is applied at a rate of 110% of direct labor costs. teller has 3,900 pounds of clay mix in beginning inventory and wants to have 4,500 pounds in ending inventory. what is the total amount to be budgeted for manufacturing overhead for the month?

Afreelance​ singer-songwriter is planning the restoration of a recently purchased civil​ war-era farmhouse. while he professes an enjoyment​ of, and talent in the construction​ trades, the theory of comparative advantage implies that a. the value of what he imports​ (in this​ case, professional contractor​ services) must equal the value of what he exports​ (songs). b. he should concentrate on the restoration work since his​ out-of-pocket costs will be much lower than if he hires professionals. c. ​self-sufficiency is​ advantageous, hence he should split his time between music and construction. d. the income lost while away from music will likely exceed the savings realized by doing the work​ himself, thus, he should hire professionals to do the restoration work. e. he ought to do as much of the work himself as possible since imports​ (in this​ case, professional contractor​ services) should always be restricted to those things that cannot be done internall

"in my opinion, we ought to stop making our own drums and accept that outside supplier's offer," said wim niewindt, managing director of antilles refining, n. v., of aruba. "at a price of $21 per drum, we would be paying $4.70 less than it costs us to manufacture the drums in our own plant. since we use 70,000 drums a year, that would be an annual cost savings of $329,000." antilles refining's current cost to manufacture one drum is given below (based on 70,000 drums per year):