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In Exercise 6 if the government applies a luxury tax of 20% per coat, how are profits affected?
Exercise 6
A fur dealer finds that when coats sell for $4000, monthly sales are 6 coats. When the price increases to $5000, the demand is for 5 coats. Assume that the demand equation is linear.
(a) Find the demand and revenue equations.
(b) If overhead is $2500 per month and the production cost per coat is $2000, find the cost equation and profit equation.
(c) Find the level of production that maximizes profit.
Assume a house with 100 m2 of roof area. All the water runoff from the roof is collected into barrels of 55 gal capacity. The stored water is used to irrigate flower beds at the rate of 10 gal/day.
However, the pump requires 60 W of parasitic power to operate continuously. Is installation of the pump justified. Explain. At what value of parasitic power does the addition of the pump become unjustified.
When a current of 0.5 A is passed through two resistances in series the potential difference between ends of the series arrangment is 12.5V . on connection them in parallel and passing a current of 1.5 A. the potential difference between their end..
Suppose that a 5 Mbps link is being shared by a number of users. Each user alternates between period of activity during which the user transmits at rate 1 Mbps and periods of silence, when the user does not transmit.
Write a program that reads a file containing only integer, but some of the integers have embedded commas, as in 145,020. The program should copy the information to a new file, removing any commas from the information.
The torque to force the machine to break from synchronism if the excitation is reduced that the generated e.m.f is 4kV (phase)
A 440-V three-hase Y-connected synchronous motor has a synchronous reactance of 1.5 ohms per phase. The field current has been adjusted so that the torque angle is 28 degrees when the supplied power to the motor is 90kW.
It is desired to place the poles of a second order systemso that the time to the peak of the step response is 0.75 sec andso that the settling time (2% criterion) is 3 sec. Plot therequired pole location in the s plane . What are the required valu..
Determine the fundamental frequency w0, the period t0, and the coefficients in the representation X(t) = x0 + Re{k=1N Xkejkwot} for the above input. Remember, you can do this problem without evaluating any integrals.
Implement a multiple mode counter
Assume initially that no inputs have been seen and create a special initial state with output 0 to start the Moore machine. Draw a state graph for a Moore machine (minimum number of states is 5).
A 1.0-cm diameter pipe widens to 2.0 cm then narrows to 5.0 mm. Liquid flows though the first segment at a speed of 4.0 m/s. What is the speed of the liquid in the second and third segments of pipe
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