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A manufacturing company is considering purchasing a 10 HP electric motor which it estimates will run an average of 6 hours per day for 250 days per year. Past experience indicates that: (1) its annual cost for taxes and insurance averages 2.5% of first cost, (2) it must make 10% on invested capital before income tax considerations, and (3) it must recover capital invested in machinery within 5 years. Two motors are offered to the company. Motor A costs $ 340 and has a guaranteed efficiency of 85% at the indicated operating load. Motor B costs $290 and has a guaranteed efficiency of 80% at the same operating load. Electric energy costs the company 2.3 cents per KW-hr. Calculate the annual cost of each motor and indicates which motor should be purchased. 1 HP = 746 watts
Show mathematically that for any upward sloping SRMC, SRATC is strictly convex, crosses the SRMC curve at the lowest point on the SRATC curve, and the SRMC curve is rising at that point.
What are the components of aggregate expenditure. What determines the slope of the aggregate expenditure line.
q1. elucidate relationship among production curves average product and marginal product also cost curves average
Given this information, evaluate the following statement: Airlines could have the same effect on demand by eliminating their frequent flyer programs and simply lowering the average ticket price by 10 percent.
The dead weight loss (owing to a price ceiling) increases as demand becomes more ______ and supply becomes more ______.
Why would it be valuable for a business to know cross elasticity of demand for two products it produces: peanuts and popcorn.
A firm with a U-shaped average cost curve finds that its costs exceed its revenues when it sets price equal to marginal cost.
Calculate the percentage change in nominal gdp, real gdp and the gdp deflator in 2008 and 2009 from the preceding year. for each year identify the variable that does not change. explain in words why your answer make sense.
If one person consumes a public good:
Suppose the welfare benefit formula is Benefit=$4,800-0.67(wages>$6,000) what is the marginal tax rate on The first 6,000 of wages? Wages above 6,000 How large is the benefit if wages equal $0? $4,000 and $4,800, $9000 and 7,000? What is the breakeve..
A refrigerator sold for $500. The store announced the refrigerator by charging 0.5% monthly interest on the unpaid balance. If the refrigerator is paid for with 30 equal end-of-month payments: What will be the size of the monthly payments?
As additional units are produced, the marginal revenue product falls for all firms because marginal product decreases. For firms operating in industries that are not perfectly competitive, marginal revenue product also falls because
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