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A machine at a cost of $5000 was purchased 3 years ago. It can be sold now for $3000. If the machine is kept, the annual operating and maintenance costs will be $1500. If it is kept and operated for the next five years, determine the amount at time 0(now) equivalent to the cost of owning and operating the machine for the next five year period. It is anticipated that the machine can be sold for $1000 at the end of the five year period. Use an interest rate of 10%.
A decision must be made on which fuel to use. An analysis of costs shows that the installed cost, with all controls, would be at least for natural gas at 30000, for fuel oil it would be 55000, and for coal it would be 180000.
What happened to the marginal product of labor between 1960 and 2007 calculate the marginal product numerically as the extra output gained by adding 1 million workers in each of the two years.
If the theater is open, the owners have to pay a fixed nightly amount of $500 to show a film. In addition, the movie house incurs an additional cost of two dollars for each person that attends a movie.
The following are the demand and total cost schedules for Company Town Water, a local monopoly: Output in Gallons Price per Gallon Total Cost 50,000 $0.28 $6,000 100,000 0.26 15,000 150,000 0.22 22,000 200,000 0.20 32,000 250,000 0.16 46,000 300,0..
The California Instruments Corporation, a producer of electronic Equipment, makes pocket calculators in a plant that is run autonomously. The plant has a capacity output of 200,000 calculators per year, and the plant's manager regards 75 percent o..
A machine operation produces bearings whose diameters are normally distributed, with a mean of .498and a standard deviation of .002. If specifications require that the bearing diameter be .500 inch +- .004 inch, what fraction of the production wil..
The chief economist for Argus Corporation, a large appliance manufacturer, estimated the firm's short- run cost function for vacuum cleaners using an average variable cost function of the form
use the formula present value = (future value)/(1 + r)n, where n is the number of years, and r is the annual interest rate. 3. From the perspective of year 1 /1/2010, the future value on 1/1/2012 is $5,500. If the interest rate in year 2012 is r
A radiology firm charges $2,000 per exam. An insurer's allowed fee is 80 percent of charges. Its beneficiaries pay 25 percent of the allowed fee. If the radiology firm raised its charge to $3,000.How much would the insurer pay
Jane quit her job at IBM where she earned $50,000 a year. She cashed in $50,000 in corporate bonds that earned 10% interest annually to buy a mini-bus. Jane has decided to buy the mini-bus and set up a commuter service
An engineer on the verge of retirement has accumulated savings of $200,000 in an account paying 10% compounded quarterly. How much can he/she withdraw quarterly if he/she expects to live for only ten years after retirement
Fit a multiple regression model of y on x1 and x2. Fit two simple linear regressions: (I) y on x1; (II) y on x2. Compare the results of multiple regression analysis with each of simple linear regressions.
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