The AW value for Design A is $ /mi. (Round to the nearest hundreds.) The PW value for Design A is $ /mi. (Round to the nearest hundreds.) The AW value for Design B is $ /mi. (Round to the nearest hundreds.) The PW value for Design B is $ /mi. (Round to the nearest hundreds.) The most economical design on the basis of AW and PW is
The AW value for Design A is $ /mi. (Round to the nearest hundreds.) The PW value for Design A is $ /mi. (Round to the nearest hundreds.) The AW value for Design B is $ /mi. (Round to the nearest hundreds.) The PW value for Design B is $ /mi. (Round to the nearest hundreds.) The most economical design on the basis of AW and PW is
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
Related questions
Question
The AW value for Design A is $ /mi. (Round to the nearest hundreds.)
The PW value for Design A is $ /mi. (Round to the nearest hundreds.)
The AW value for Design B is $ /mi. (Round to the nearest hundreds.)
The PW value for Design B is $ /mi. (Round to the nearest hundreds.)
The most economical design on the basis of AW and PW is

Transcribed Image Text:A new highway is to be constructed. Design A calls for a concrete pavement costing $85 per foot with a 12-year life; two paved ditches costing $5 per foot each; and two box culverts every mile, each costing $8,000 and having a 12-year life.
Annual maintenance will cost $1,800 per mile; the culverts must be cleaned every three years at a cost of $400 each per mile.
Design B calls for a bituminous pavement costing $40 per foot with a 6-year life; two sodded ditches costing $1.55 per foot each; and two pipe culverts every mile, each costing $2,100 and having a 6-year life. The replacement culverts will cost
$2,450 each. Annual maintenance will cost $2,600 per mile; the culverts must be cleaned yearly at a cost of $225 each per mile; and the annual ditch maintenance will cost $1.45 per foot per ditch.
Compare the two designs on the basis of equivalent worth per mile for a 12-year period. Find the most economical design on the basis of AW and PW if the MARR is 10% per year.
Click the icon to view the interest and annuity table for discrete compounding when the MARR is 10% per year.

Transcribed Image Text:A new highway is to be constructed. Design A calls for a c
Annual maintenance will cost $1,800 per mile; the culverts
Design B calls for a bituminous pavement costing $40 per
$2,450 each. Annual maintenance will cost $2,600 per mil
Compare the two designs on the basis of equivalent worth
Click the icon to view the interest and annuity table fo
The AW value for Design A is $/mi. (Round to the neare
Reference
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5
6
7
8
9
9E
10
11
12
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14
15
16
17
18
19
20
Amoun
Factor
To Find F
Given P
FIP
1.1000
1.2100
1.3310
1.4641
1.6105
1.7716
1.9487
2.1436
2.3579
2.5937
2.8531
3.1384
3.4523
3.7975
4.1772
4.5950
5.0545
5.5599
6.1159
6.7275
TresenU
Worth Factor
To Find P
Given F
PIF
0.9091
0.8264
0.7513
0.6830
0.6209
0.5645
0.5132
0.4665
0.4241
0.3855
0.3505
0.3186
0.2897
0.2633
0.2394
0.2176
0.1978
0.1799
0.1635
0.1486
Print
AmounIU
Factor
To Find F
Given A
FIA
1.0000
2.1000
3.3100
4.6410
6.1051
7.7156
9.4872
11.4359
13.5795
15.9374
18.5312
21.3843
24.5227
27.9750
31.7725
35.9497
40.5447
45.5992
51.1591
57.2750
Presen
Worth Factor
To Find P
Given A
PIA
0.9091
1.7355
2.4869
3.1699
3.7908
4.3553
4.8684
5.3349
5.7590
6.1446
6.4951
6.8137
7.1034
7.3667
7.6061
7.8237
8.0216
8.2014
8.3649
8.5136
Done
Tuna
Factor
To Find A
Given F
A/F
1.0000
0.4762
0.3021
0.2155
0.1638
0.1296
0.1054
0.0874
0.0736
0.0627
0.0540
0.0468
0.0408
0.0357
0.0315
0.0278
0.0247
0.0219
0.0195
0.0175
Recovery
Factor
To Find A
Given P
AIP
1.1000
0.5762
0.4021
0.3155
0.2638
0.2296
0.2054
0.1874
0.1736
0.1627
0.1540
0.1468
0.1408
0.1357
0.1315
0.1278
0.1247
0.1219
0.1195
0.1175
I
X
mile, each costing $8,000 and having a 12-year life.
having a 6-year life. The replacement culverts will cost
per ditch.
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