An existing robot can be kept if $2,000 is spent now to upgrade it for future service requirements. Alternatively, the company can purchase a m robot to replace the old robot. The following estimates have been developed for both the defender and the challenger. The company's before-t MARR is 18% per year. Based on this information, should the existing robot be replaced right now? Assume the robot will be needed for an indefinite period of time. $36,000 Challenger Purchase price Installation cost Annual expenses $2.000 $1,500 Remaining useful life 5 years Useful life MV at end of useful life -$1,400 MV at end of useful life Click the icon to view the interest and annuity table for discrete compounding when the MARR is 18% per year. Defender Current MV ☆ Required upgrade Annual expenses The AW value of the defender is $ The AW value of the challenger is $ The existing robot (Round to the nearest dollar) (Round to the nearest dollar) be replaced right now. $52,000 $6,000 $1,000 10 years $6,500

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Question
An existing robot can be kept if $2,000 is spent now to upgrade it for future service requirements. Alternatively, the company can purchase a new
robot to replace the old robot. The following estimates have been developed for both the defender and the challenger. The company's before-tax
MARR is 18% per year. Based on this information, should the existing robot be replaced right now? Assume the robot will be needed for an
indefinite period of time.
Defender
Current MV
Required upgrade
Annual expenses
The AW value of the defender is $
The AW value of the challenger is $
The existing robot
Annual expenses
Remaining useful life
5 years
Useful life
MV at end of useful life
-$1,400
MV at end of useful life
Click the icon to view the interest and annuity table for discrete compounding when the MARR is 18% per year.
be replaced right now.
should not
should
N
1
2
3
4
5
6
7
8
9
10
(Round to the nearest dollar)
(Round to the nearest dollar)
info
$36.000
$2,000
$1,500
Compound
Amount
Factor
Single Payment
To Find F
Given P
F/P
1.1800
1.3924
1.6430
1.9388
2.2878
2.6996
3.1855
3.7589
4.4355
5.2338
Discrete Compounding: /-18%
Compound
Amount
Factor
To Find F
Given A
FIA
Present
Worth Factor
To Find P
Given F
P/F
0.8475
0.7182
0.6086
0.5158
0.4371
0.3704
0.3139
Challenger
Purchase price
Installation cost
0.2660
0.2255
0.1911
Print
1.0000
2.1800
3.5724
5.2154
7.1542
9.4420
12.1415
15.3270
19.0859
23.5213
Done
Present
Worth Factor
To Find P
Given A
P/A
0.8475
$52,000
$6,000
$1,000
Uniform Series
1.5656
2.1743
2.6901
3.1272
3.4976
3.8115
4.0776
4.3030
4.4941
10 years
$6,500
Sinking
Fund
Factor
To Find A
Given F
AF
1.0000
0.4587
0.2799
0.1917
0.1398
0.1059
0.0824
0.0652
0.0524
0.0425
- X
1.1800
0.6387
0.4599
0.3717
0.3198
0 2859
0.2624
0.2452
0.2324
0.2225
-
Capital
Recovery
Factor
To Find A
Given P
A/P
IM3H
Transcribed Image Text:An existing robot can be kept if $2,000 is spent now to upgrade it for future service requirements. Alternatively, the company can purchase a new robot to replace the old robot. The following estimates have been developed for both the defender and the challenger. The company's before-tax MARR is 18% per year. Based on this information, should the existing robot be replaced right now? Assume the robot will be needed for an indefinite period of time. Defender Current MV Required upgrade Annual expenses The AW value of the defender is $ The AW value of the challenger is $ The existing robot Annual expenses Remaining useful life 5 years Useful life MV at end of useful life -$1,400 MV at end of useful life Click the icon to view the interest and annuity table for discrete compounding when the MARR is 18% per year. be replaced right now. should not should N 1 2 3 4 5 6 7 8 9 10 (Round to the nearest dollar) (Round to the nearest dollar) info $36.000 $2,000 $1,500 Compound Amount Factor Single Payment To Find F Given P F/P 1.1800 1.3924 1.6430 1.9388 2.2878 2.6996 3.1855 3.7589 4.4355 5.2338 Discrete Compounding: /-18% Compound Amount Factor To Find F Given A FIA Present Worth Factor To Find P Given F P/F 0.8475 0.7182 0.6086 0.5158 0.4371 0.3704 0.3139 Challenger Purchase price Installation cost 0.2660 0.2255 0.1911 Print 1.0000 2.1800 3.5724 5.2154 7.1542 9.4420 12.1415 15.3270 19.0859 23.5213 Done Present Worth Factor To Find P Given A P/A 0.8475 $52,000 $6,000 $1,000 Uniform Series 1.5656 2.1743 2.6901 3.1272 3.4976 3.8115 4.0776 4.3030 4.4941 10 years $6,500 Sinking Fund Factor To Find A Given F AF 1.0000 0.4587 0.2799 0.1917 0.1398 0.1059 0.0824 0.0652 0.0524 0.0425 - X 1.1800 0.6387 0.4599 0.3717 0.3198 0 2859 0.2624 0.2452 0.2324 0.2225 - Capital Recovery Factor To Find A Given P A/P IM3H
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