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A proposed investment consists of constructing building, purchasing production machinery, as well as operating for 20 years its first cost is $250,000 with salvage value $50,000. As the maximum life of the machinery is 12 years, it will be essential to renew the machinery once during the 20 years. The first cost of the machinery is $132,000 as well as its salvage value is $132,000/(age, years). Explain the annual income is less the operating expense is expected to be $50,000. Annual interest is six percent compounded annually.
a. While is the most favorable time to replace the machinery?
b. Evaluate the present worth of the profit if the machinery is replaced at the time indicated by part (a)
Dry ice, CO2 (s), has a melting temperature of -78o C and will not form a liquid unless atmospheric pressure exceeds 5.1 atm. The following reaction is conducted at -90o C and 101.325 kPa: CO2 (g) ? CO2 (s)
A gas occupies 12.3 liters at a pressure of 40.0 mmHg. What is the volume when the pressure in increased to 60.0 mmHg
Will the boiling point of a solution of 10 g of NaCl (which has no appreciable vapor pressure at 100 oC) in 100 mL of water be higher than, lower than
A and B mix to form an ideal solution.what is the Gibbs energy of A in the solution as compare to the Gibbs energy
A gas mixture composed of helium and argon has density of 0.670 g/L at 755 mmHg and 298K. What is the composition of the mixture by mass
what is the concentration of glyceraldehyde-3-phosphate? Assume a temperature of 25.0 °C. The constant R = 8.3145 J/(mol·K)
what minimum number of packages of buns, packages of patties, and jars of pickles do you need, respectively? Express your answer as three integers separated by commas.
Human and chameleon insulins have the same amino acid sequence, with the exception of six amino acids, as shown below. Is the pI of human insulin lower, higher, or the same as that of chameleon insulin?
Assume that each photon has sufficient energy to eject one electron. (Note currents are reported as positive values.)
Assuming that the total volume of the solution does not change after 12.0 moles of HCl are added to 1.0 L of a solution containing 1.0 mole of Hg2+ ion, calculate the equilibrium concentration of Hg2+ in the solution Hg2+ + 4CL- [HgCl4]2-, Kf = 1...
In the fumaric acid titration, at what volume of NaOH should the missing equivalence point show up
In thin layer chromatography what mobile phase would give poor mobility of methyleneblue. please explain
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