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1-Assume that by investing $2000000 in transportation system we can prevent 30 accidents per year and save another $100 on annual maintenance cost of vehicals using the system ( 2000 vehicles). The annual maintanence cost for this system is $200000, if each accident costs $5000 for the comunity , detrrmine whether this investment is justified ( i=6%). The life of the project is 20 years.
2-A company bought a piece of equipment for $100000 3 years ago, with salvage values of $20000 after 8 years. The machine now can be sold for $35000. The annual operating cost for this equipment is $15000. A new piece of equipment can be bought for $100000 with a salvege value of $20000 after 5 years, with an annual operating cost of $5000. At MARR = 10% should we replace this equipment with a new one?
What is the annual compounding interest charged? Using the compounding annual interest rate from above, what is the nominal, period interest rate and corresponding effective interest rate if compounding is hourly? Assume 30 days per month.
A firm called Altobella Vineyard produces Concord grapes in a perfectly competitive market in which monthly demand is given by the equation Q = 1800 - 16P and monthly supply by the equation Q = -660 + 14P, where P is the price per crate of grapes.
What is wrong with this specification? Why is least squares unable to estimate the parameters in this model uniquely? What happens when you try to estimate this model using STATA? Verify that the coefficients on education and experience variables f..
Assume the following values for Figures 5.4a and Figures 5.4b. Q1 = 20 bags. Q2 = 15 bags. Q3 = 27 bags. The market equilibrium price is $45 per bag. The price at a is $85 per bag. The price at c is $5 per bag. The price at f is $59 per bag.
Suppose initially (period 0) the economy is endowed with $5 (billion) of capital stock and 10 (thousand) workers (let's ignore the units). We know that saving rate s is 0.15, population growth rate n is 0.01 and depreciation rate d is 0.09. Suppos..
What rate of return per month will an engineer make over 2 and a half year project period if he invested $150,000 to produce portable 12volt air compressors. His estimated monthly costs are $27,000 with income $33,000 per month.
As a manager of MyShoo Inc., you have estimated that the daily demand for shoes that your firm faces is Q=325-3P-0.01 I, where P is the price of a pair of MyShoo shoes and I is the average consumer income of the firm's customers.
A company desires to estimate the cost of building a 600-MW fossil-fuel plant for the assembly of its new long-distance aircraft. It is known that a 200-MW plan cost $100 million 20 years ago when the approximate cost index was 400, and the cost i..
The Santa Barbara Bowl (SBB) holds outdoor music events (M), earning $3 of revenue from each concert and with total costs of cM(M) = M2=8 for M concerts. Ursula is a writer who lives right next to the SBB and who sells her novels on the competitiv..
Suppose a monopolist producing Q units of output faces the demand curve P =20 -Q. Its total cost when producing Q units of output is TC = F + Q2, where F is a fixed cost. The marginal cost is MC = 2Q. a) For what values of F can a profit-maximizin..
Assume that gross private domestic investment is $800 billion and the government (state, local, and federal combined) is currently running a $400 billion deficit. If households and businesses are saving $1,000 billion, what is the value of net exp..
Say that investment increases by 100 for each interest rate drop of 1 percent. Say also that the expenditures multiplier is 3. If the money multiplier is 5, and each 5-unit change in the money supply changes the interest rate by 1 percent, what op..
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