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A contractor is considering whether to buy or lease a new machine for her layout site work. Buying a new machine will cost $12,000 with a salvage value of $1200 after the machine's useful life of 8 years. On the other hand, leasing requires an annual lease payment of $3000. Assuming that the MARR is 15% and on the basis of an internal rate of return analysis, which alternative should the contractor be advised to accept? The cash flows are as follows:
Year (n) Alt. A (buy) Alt. B (lease)0 -$12,000 -$30001 -$30002 -$30003 -$30004 -$30005 -$30006 -$30007 -$30008 +$1,200 $0
Draw two figures, one above the other. In the top figure, plot the total, variable, and fixed cost curves. In the bottom figure, show the average and marginal cost curves. Use Excel and plot for enough values of q between 0 and 20 such that the va..
Pulp can be bought in the open market for $25 per ton. The marginal cost of converting pulp into paper is MC= 5 + 5Q, and the demand for paper is P = 135-15Q. Calculate the marginal cost of paper if the company produces its own pulp.
A purely competitive wheat farmer can sell any wheat he grows for $10 per bushel.His five acres of land show diminishing returns, because some are better suited for wheat production than others. The first acre can produce 1000 bushels of wheat, the..
On the same graph, draw the daily budget constraint under AFDC for the single parent. According to AFDC, the family was given an income subsidy depending on family size and the family's benefit was reduced by $1 for every dollar earned. Suppose th..
one of five risk-neutral bidders participating in an independent private values auction. Each bidder perceives that all other bidders' valuations for the item are evenly distributed between $50,000 and $80,000.
To construct a p-chart for a manufacturing process, 25 samples of size 200 were drawn from the process. The number of defectives in each sample is listed below. a. Calculate the proportion defective in each sample. and b. Calculate the plot p-ba..
Kyle is an English PhD student; there is some chance he will get a prestigious university job that will pay him $80,000/year (probability p). If he does not get this job, he will have to take a job at Starbuck's, paying $25,000/year (probability (..
Suppose that the current price of oil is $60 per barrel and the quantity sold is 90 million barrels per day. Assume that the supply and demand curves for oil are linear. The current estimates of the price elasticity of supply and demand in the U.S..
Drink Tax: The weekly supply Qs(p), and demand, Qd(p), of beer in a city are given by: Qs(p) = p; Qd(p)=6.2 - .55*p where p is the price of a beer in dollars and quantities are in hundreds of thousands of beers. To find the equilbrium quantity and..
Machine A costs $15,000, has $1,600 in annual operating costs, produces an annual benefit of $8,000, has a useful life of 7 years, and can be sold for salvage at the end of its useful life for $3,000. Machine B costs $25,00..
Your credit card has a current balance of $4965.20. This Balance is accruing interest at a nominal rate of 9.0% compounded monthly. Assuming you didnt spend any more on this card, what uniform monthly payment over the next 36 months would be requi..
The price at point a is $70 and the price at point c is $10 per bag. The price at point d is $56 and the price at point e is $31 per bag. The price at point f is $67 and the price at point g is $32 per bag.
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