One effect of information systems on organizational structures is that more middle-level

managers are often needed.



Indicate whether the statement is true or false.


F

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When the country’s economy is expanding, AB In­vestment Company is optimistic and expects a MARR of 15% on new investments. However, in a receding economy the expected return is 8%. Nor­mally a 10% per year return is anticipated. An ex­panding economy causes the estimates of project life to go down about 20%, and a receding econ­omy causes the life values to increase about 10%. Additionally, the market value after the project’s life varies widely; optimistically, it may be as high as 50% more or as low as 75% of the initial investment.

(a) Summarize the optimistic, most likely, and pessimistic estimates in tabular form.
(b) Use a spreadsheet to calculate and plot the sensitivity of PW versus (1) MARR, (2) life values, and (3) market value for possible in­vestment in one of two locations. Use the most likely estimates for the other parame­ters.
(c) Considering all the analyses, under which scenario, if any, should location Miami or Houston be rejected?

All monetary values are in $1000 units.

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Indicate one advantage to using the Bash shell (instead of the Bourne shell) to run a shell script.

What will be an ideal response?

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When open collector outputs are wired together, the ________ function is performed

A) OR B) INVERSION C) NAND D) AND

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Header hangers and framing hangers reduce energy costs because they allow more space for insulation. This primarily benefits the ________

A) Manufacturer B) Utility company C) Builder D) Homeowner

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