AGUNG CAHYADI1406606650

Teknik Metalurgi dan MaterialTUGAS EKOTEK BAB 9

9.2Private Public

e-Bay State Police DepartementFarmer's Market Social Securtiy

Car Racing Facility EMSATM Football Stadium

Travel AgencyAmusement parkGambling Casino

Swap Meet

9.4a.Disbenefit Loss of income to local businesses because of a new freewayb.Benefit Less travel time because of a loop bypassc.Benefit $400,000 annual income to local businesses because of tourism created by a national parkd. Cost Cost of fi sh from a hatchery to stock a lake at the state parke.Benefit Less tire wear because of smoother road surfacesf.Disbenefit Decrease in property values due to the closure of a government research labg.Disbenefit School overcrowding because of a military base expansionh.Benefit Revenue to local motels because of an extendedweekend holiday

9.6 Answers will vary considerably depending upon a person’s own beliefs and perspective. A sample answer to part to (a) follows.

1. Plant manager: sales revenues, customers2. Sheriff’s deputy: legal matters, service to public3. County commissioner: politics, revenue and budget4. Security company president: revenue and budget, contract obligations

9.8 i 6%

Year0 $ 300,000.00 1 $ 25,000.00 2 $ 25,000.00 3 $ 25,000.00 4 $ 25,000.00 5 $ 25,000.00

6 $ 25,000.00 7 $ 25,000.00 8 $ 25,000.00 9 $ 25,000.00

10 $ 25,000.00 11 $ 25,000.00 12 $ 25,000.00 13 $ 25,000.00 14 $ 25,000.00 15 $ 25,000.00 16 $ 25,000.00 17 $ 25,000.00 18 $ 25,000.00 19 $ 25,000.00 20 $ 25,000.00

C $586,748.03

9.10Annual Benefit $90,000 Annual Disbenefit $10,000 Annual Cost $50,000 Annual Saving $30,000 First Saving $750,000 n 20i 8%

AW CC $76,389.16 Total Cost $126,389.16 B/C $0.83

9.12 i 7%

FW $ 30,800,000.00 n 20Disbenefit per year $ 105,000.00

Year0 $ (1,200,000.00)1 $ (400,000.00)2 $ (400,000.00)3 $ (400,000.00)4 $ (400,000.00)5 $ (400,000.00)6 $ (400,000.00)7 $ (400,000.00)8 $ (400,000.00)9 $ (400,000.00)

10 $ (400,000.00)11 $ (400,000.00)12 $ (400,000.00)13 $ (400,000.00)14 $ (400,000.00)15 $ (400,000.00)16 $ (400,000.00)17 $ (400,000.00)18 $ (400,000.00)19 $ (400,000.00)20 $ (400,000.00)

C $ 513,271.51

B/C $ 1.26

9.14 n benefits0 $ 20,000.00 1 $ - 2 $ - 3 $ - 4 $ - 5 $ 30,000.00 6 $ - 7 $ - 8 $ - 9 $ -

10 $ - 11 $ - 12 $ - 13 $ - 14 $ -

15 $ - 16 $ - 17 $ - 18 $ - 19 $ - 20 $ - 21 $ - 22 $ - 23 $ - 24 $ - 25 $ -

MARR 20%p savings $ 17,027.13 p benefits $ 18,627.64 PW of NFC $ 55,654.77 pi=PW/C 1.1130953426

AW benefits 5600009.16 B/C 1.4

B-D $ 560,000.00

IRR 6%N 20

Awp $ 400,000.00

PV $4,587,968.49

9.18 Given: Cost $600,000 Benefits $800,000

B/C 1n 10i 6%

Answer: B/C= B-DC

1= $800,000-D$600,000

D= $200,000

P= $1,472,017

9.20.Given: To the People

Benefits $300,000 $100,000

Disbenefits $40,000

Answer: (a)Total Benefits $118,000

Total Disbenefits $40,000 Total Cost $100,075

Total Savings $70,000 B/C 2.59

(b)modified B/C 1.48

9.22.Given: B= 30(4,000,000)

$120,000,000

P= 20,000(100,000)$2,000,000,000

C= $262,947,554

Answer B/C= 0.46

9.24. I 6%

B n 5Year 0 $ 20,000.00 Year 1-5 $ 30,000.00

PV $22,417.75 B $42,417.75

D N 3FV $ 7,000.00 PV $5,877.33

C PV $ 100,000.00

B/C $ 2.73

9.26.Given: Investment $4,200,000

$3,500,000 Net Savings $1,200,000

$2,500,000 i: 8%

Answer Year Cashflow0 $4,200,000 1 $1,200,000 2 $1,200,000 3 $1,200,000 4 $1,200,000 5 $1,200,000 6 $2,500,000 7 $2,500,000 8 $2,500,000 9 $2,500,000

10 $2,500,000 PW of NCF $11,584,680

PI= 1.7600437487

9.28. Select the alternative that has the higher cost.

9.30. Given MSCost $4,200,000

M&O Cost $280,000 Benefits $450,000

i 8%n 20

Answer MS

Cost $707,779.28 B/C 0.64

Select VS, the valley site, since B/C > 1.0

9.32 IRR 8%

PROPOSAL 1N 10INITIAL $ 900,000.00 A M&O $ 120,000.00 A B $ 530,000.00 A D $ 300,000.00

AWC $254,126.54

B/C $ 0.91

Eliminate Proposal 1

9.34.

GivenFirst Cost

Annual M&OBenefits

Disbenefitsin

AnwerAW Cost

B/C∆B∆CB/C

9.36. Given

First CostM&O Cost

in

AnwerAW Cost

B/C∆BB/C

9.38. GivenInvestmentM&O CostRevenue

DisbenefitsPark Fees

i

AnswerAW of Cost

B/C

Incremental B/C

∆C∆B∆D

B/C=Select Location E

9.40. Given AlternativeABCDEF

Answer AlternativeAB

Homeowner Cleanup Cost

CDEF

Select all alternatives that have B/C ≥ 1.0. Select B, C, D, and F

9.42 Given

PW of First CostPW of Benefit

PW of DisbenefitsPW of Cost Savings

i

Answer (a) Project ID

GoodBetterBest

Best of All

Select Good, Better, and Best

(b) Cost'BestBetterBest of All

Better vs BestGood vs BetterSelect Better

9.44 Given

AlternativeABCD

Answer Select: B, C, D and DN, eliminate A because B/C<1C vs BD vs BD vs DN

Select D

9.46 Given StrategyABCDEF

Answer StrategyCABDFE

The strategy that can be used are

9.48 Given StrategyWXYZ

Answer (a)Strategy

WXYZ

(b) Rank Alternatives : Z < X < W < YIncremental

X vs ZW vs XY vs WY vs X

Select Y and X

9.50. The first engineer should try to find the information in the software options from susan lorier. And the second engineer should try to noted all hardware specifications from don delsey.

9.52. • Change of ingress and egress ramps for all major thoroughfares• Signage changes coordinated to make the switch at the correct time• Training programs to help drivers understand how to drive this different way• Notification programs and progress reports to the publicTherefore, select D

AGUNG CAHYADI1406606650

Teknik Metalurgi dan MaterialTUGAS EKOTEK BAB 9

Loss of income to local businesses because of a new freeway

$400,000 annual income to local businesses because of tourism created by a national parkCost of fi sh from a hatchery to stock a lake at the state park

Decrease in property values due to the closure of a government research labSchool overcrowding because of a military base expansionRevenue to local motels because of an extendedweekend holiday

Answers will vary considerably depending upon a person’s own beliefs and perspective. A sample answer to part to (a) follows.

The improved acceessibility has led to a 150% increase in the property values aloang the road =B $ 900,000.00

B $ 450,000.00

B/C 0.767

A $751,302.11

savings cost disbenefits $ - $ 50,000.00 $ - $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - $ 3,000.00 $ 2,000.00 $ - ### $ 2,000.00 $ - ### $ 2,000.00 $ - ### $ 2,000.00 $ - ###

$ 2,000.00 $ - ### $ 2,000.00 $ - ### $ 2,000.00 $ - ### $ 2,000.00 $ - ### $ 2,000.00 $ - ### $ - ### $ - $ - ### $ - $ - ### $ - $ - ### $ - $ - ### $ - $ - ### $ -

p benefits $ 38,627.64 p disbenefits $ 18,433.70 p savings $ 17,027.13 B/c 0.7444

FIrst cost?

To the People To the Governmentnow Costs: $1,500,000 nowper year $200,000 3 yearsper year Savings: $70,000 per year

S 4 N $ 25,000.00

PV $86,627.64

Year 0Year 5Year 1-5Year 6-10

VS$11,000,000

$400,000 $2,670,000

8%20

VS

$1,520,374.30 1.76

PEOPOSAL 220

$ 1,700,000.00 $ 60,000.00 $ 650,000.00 $ 195,000.00

$ 233,148.75

$ 1.95

Eliminate DN, since B/C > 1.0

Select Proposal 2

EC NS$38,000 $87,000 $49,000 $64,000 $110,000 $160,000$26,000 $0

7%10

EC NS$54,410.35 $76,386.84

1.54 2.09 $50,000

$21,976.50 3.46

Sanitary Sewers Open Chanels

$26,000,000 $53,000,000 $400,000 $30,000

$60,000 08%

20 tahun

Sanitary Sewers Open Chanels$3,048,157.43 $5,428,167.07

0.02 0.00 $60,000

0.03

Location E Location W$3,000,000 $7,000,000

$50,000 $65,000 $500,000 $700,000 $30,000 $40,000

$0 $25,000 12%

Location E Location W$410,000 $880,000

1.15 0.75

Location E Location W$470,000$200,000 $10,000

0.40

PW of Capital PW of Benefit80 7050 5572 7643 5289 8581 84

B/C0.881.10

1.061.210.961.04

Select all alternatives that have B/C ≥ 1.0. Select B, C, D, and F

Project IDGood Better Best Best of All

$10,000 $8,000 $20,000 $14,000$15,000 $11,000 $25,000 $42,000$6,000 $1,000 $20,000 $32,000$1,500 $2,000 $16,000 $3,000

10%

B/C1.061.671.250.91

Select Good, Better, and Best

$4,000$6,000

$11,000

2.50 Eliminate Best-0.40 eliminate Good

Incremental B/C when compared withalternative

Initial Cost B/C Ratio vs DN A B C D30 0.87 - 2.38 1.3 1.3838 1.18 - 0.58 1.1352 1.04 - 1.4581 1.16 -

Select: B, C, D and DN, eliminate A because B/C<1B/C=0.58 eliminate CB/C=1.13 eliminate BB/C= 1.16 eliminate DN

Cost/EmployeeMeasurement Score$5.20 50

$23.40 182$3.75 40

$10.80 75$8.65 53

$15.10 96

Cost/EmployeeMeasurement Score CER Cost$3.75 40 0.09 $3.75$5.20 50 0.10 $8.95

$23.40 182 0.13 $32.35$10.80 75 0.14 $43.15$15.10 96 0.16 $58.25$8.65 53 0.16 $66.90

The strategy that can be used are C, A, B, D

Cost ( C ) Salvaged Items ( E )$335 20$208 17$660 41$102 7

Cost ( C ) Salvaged Items ( E ) CER$335 20 16.75$208 17 12.24$660 41 16.10$102 7 14.57

(b) Rank Alternatives : Z < X < W < YC/E

10.60 C/E<14.57, eliminate Z42.33 C/E>12.24 keep both W and X15.48 C/E<16.57, eliminate W18.83 C/E>16.75 keep both Y and X

The first engineer should try to find the information in the software options from susan lorier. And the second engineer should try to noted all hardware specifications from don delsey.

• Training programs to help drivers understand how to drive this different way

The improved acceessibility has led to a 150% increase in the property values aloang the road = 150%

150%