Two mutually exclusive design alternatives are being considered. The estimated cash flows for each alternative are given below. The MARR is 12% per year. The decision-maker can select one these alternatives or decide to select none of them. Make a recommendation based on the following methods. Design Y Design Z $140,000 $275,000 $51,725 $84,946 $9,672 $18,059 15 years $14,700 $149,103 Investment cost Annual revenue Annual cost Useful life Salvage value Net PW CU 15 years $33,000 $186,587
Two mutually exclusive design alternatives are being considered. The estimated cash flows for each alternative are given below. The MARR is 12% per year. The decision-maker can select one these alternatives or decide to select none of them. Make a recommendation based on the following methods. Design Y Design Z $140,000 $275,000 $51,725 $84,946 $9,672 $18,059 15 years $14,700 $149,103 Investment cost Annual revenue Annual cost Useful life Salvage value Net PW CU 15 years $33,000 $186,587
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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
Transcribed Image Text:**Investment Decision Analysis: Evaluating Design Alternatives**
**Overview:**
Two mutually exclusive design alternatives are evaluated based on their estimated cash flows. The Minimum Attractive Rate of Return (MARR) is set at 12% per annum. The decision-maker has the option to choose one of these alternatives or neither. The decision is informed using several financial methods.
**Design Specifications:**
- **Design Y:**
- Investment Cost: $140,000
- Annual Revenue: $51,725
- Annual Cost: $9,672
- Useful Life: 15 years
- Salvage Value: $14,700
- Net Present Worth (PW): $149,103
- **Design Z:**
- Investment Cost: $275,000
- Annual Revenue: $84,946
- Annual Cost: $18,059
- Useful Life: 15 years
- Salvage Value: $33,000
- Net Present Worth (PW): $186,587
**Recommendation Criteria:**
a. **Present Worth (PW) Method:**
- Determine which design has a higher PW value to determine economic efficiency.
b. **Benefit-Cost (B/C) Ratio:**
- Calculate the modified B/C ratio for both designs and round to two decimal places.
- Decide which design is more economically favorable based on this ratio.
c. **Incremental B/C Ratio:**
- Compute the incremental B/C ratio and round to two decimal places.
- Use this to conclude which design is more economical according to the B/C method.
d. **Discounted Payback Period:**
- Calculate the discounted payback period for both designs in years, rounded to one decimal place.
- Select the preferred design based on this method.
e. **Payback Period Method Consideration:**
- Why might this method differ from other methods in its recommendations?
- Option A: The method overlooks cash flows after the payback period.
- Option B: The method places greater importance on cash flows following the payback period.
These analyses will guide the decision-maker in determining the most economically viable design for implementation based on specified financial metrics and considerations.
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