2024 – Question 1 5 points When you are evaluating projects by the present worth

Economics – 2024

Question 1 (5 points)

 Question 1 Unsaved

When you are evaluating projects by the present worth method, how do you know which one(s) to select if the projects are independent?

Question 2 (5 points)

 Question 2 Unsaved

When you are evaluating projects by the present worth method, how do you know which one(s) to select if the projects are mutually exclusive?

Question 3 (5 points)

 Question 3 Unsaved

Two methods can be used for producing expansion anchors. Method A costs $80,000 initially and will have a $15,000 salvage value after 3 years. The operating cost with this method will be $30,000 per year. Method B will have a first cost of $120,000, an operating cost of $8000 per year, and a $40,000 salvage value after its 3-year life. At an interest rate of 12% per year, which method should be used on the basis of a present worth analysis?

Question 4 (5 points)

 Question 4 Unsaved

Two processes can be used for producing a polymer that reduces friction loss in engines. Process K will have a first cost of $160,000, an operating cost of $7000 per quarter, and a salvage value of $40,000 after its 2-year life. Process L will have a first cost of $210,000, an operating cost of $5000 per quarter, and a $26,000 salvage value after its 4-year life. Which process should be selected on the basis of a present worth analysis at an interest rate of 8% per year, compounded quarterly?

Question 5 (5 points)

 Question 5 Unsaved

The cost of extending a certain road at Yellowstone National Park is $1.7 million. Resurfacing and other maintenance are expected to cost $350,000 every 3 years. What is the capitalized cost of the road at an interest rate of 6% per year?

Question 6 (5 points)

 Question 6 Unsaved

What is the bond interest rate on a $20,000 bond that has semiannual interest payments of $1500 and a 20-year maturity date?

Question 7 (5 points)

 Question 7 Unsaved

What is the present worth of a $50,000 municipal bond that has an interest rate of 4% per year, payable quarterly? The bond matures in 15 years, and the market interest rate is 8% per year, compounded quarterly.

Question 8 (5 points)

 Question 8 Unsaved

For the mutually exclusive alternatives shown below, determine which one(s) should be selected.

Alternative

Present Worth, $

A

–25,000

B

–12,000

C

10,000

D

15,000

Question 9 (5 points)

 Question 9 Unsaved

A consulting engineering firm is considering two models of SUVs for the company principals. A GM model will have a first cost of $26,000, an operating cost of $2000, and a salvage value of $12,000 after 3 years. A Ford model will have a first cost of $29,000, an operating cost of $1200, and a $15,000 resale value after 3 years. At an interest rate of 15% per year, which model should the consulting firm buy? Conduct an annual worth analysis.

Question 10 (5 points)

 Question 10 Unsaved

A mechanical engineer is considering two types of pressure sensors for a low-pressure steam line. The costs are shown below. Which should be selected based on an annual worth comparison at an interest rate of 12% per year?

 

 

Type X

Type Y

First cost, $

–7,650

–12,900

Maintenance cost, $/year

–1,200

–900

Salvage value, $

0

2,000

Life, years

2

4

Question 11 (5 points)

 Question 11 Unsaved

Two processes can be used for producing a polymer that reduces friction loss in engines. Process K will have a first cost of $160,000, an operating cost of $7000 per month, and a salvage value of $40,000 after its 2-year life. Process L will have a first cost of $210,000, an operating cost of $5000 per month, and a $26,000 salvage value after its 4-year life. Which process should be selected on the basis of an annual worth analysis at an interest rate of 12% per year, compounded monthly?

Question 12 (5 points)

 Question 12 Unsaved

Determine the perpetual equivalent annual worth (in years 1 through infinity) of an investment of $50,000 at time 0 and $50,000 per year thereafter (forever) at an interest rate of 10% per year.

Question 13 (5 points)

 Question 13 Unsaved

How much must you deposit in your retirement account each year for 10 years starting now (i.e., years 0 through 9) if you want to be able to withdraw $50,000 per year forever beginning 30 years from now? Assume the account earns interest at 10% per year.

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