Use Onenote as a Tool for Comparison Shopping

Task Description Duration Predecessor A Develop Schedule 4 - B Produce Schedule 6 A C Obtain Hardware 17 A D Programming 60 B E Install Hardware 10 C F Initial Hardware 14 D G Create Web Page 25 D.F H Program Test 30 E I User Manual 20 H J Initial Testing 22 I
K Final Testing 24 G.J

Duration : Formula
D =
B + 4P + W
6

D =
2 + 4(4) + 10
6
= 4.6 ~ 4 days
~
D =
3 + 4(6) + 8
6
= 5.8 ~ 6 days
D =
40 + 4(60) + 80
6
= 60 days
D =
14 + 4(18) + 20
6
= 7.6 ~ 17 days
~
D =
5 + 4(10) + 15
6
= 10 days
D =
10 + 4(14) + 20
6
= 14.3 ~ 14 days
~
D =
25 + 4(30) + 35
6
= 30days
D =
15+ 4(20) + 25
6
= 20days
D =
18 + 4(22) + 25
6
= 22 days
A)
B)
C)
D)
E)
F)
H)
I)
J)
D =
15 + 4(25) + 30
6
= 24days
K)
D =
20 + 4(25) + 30
6
= 25days
G)
~
~

Cost/Benefits Analysis
Year Cost Comulation Cost Benefits Comulation Benefits
0 2,000,000 2,000,000.00 600,000 650,000.00
1 300,000 2,300,000.00 650,000 1,250,000.00
2 350,000 2,650,000.00 700,000 1,950,000.00
3 400,000 3,050,000.00 850,000 2,800,000.00
4 450,000 3,500,000.00 900,000 3,700,000.00
5 500,000 4,000,000.00 1,000,000 4,700,000.00

ROI =
(4,700,000 – 4,000,000)
4,000,000
=
700,000
4,000,000
=
0.175 ~ 17.5%
~

0 1 2 3 4 5
Benefits 600,000 650,000 700,000 850,000 900,000 1,000,000
Total = 3,482,950
Present Value 1.0 .893 .797 .712 .636 .567
Factor (12%)
Present Value 600,000 580,450 557,900 605,200 572,400 567,000
Cost Present Value Factor (12%) Present Value
2,000,000 1.0 2,000,000
300,000 .893 267,900
350,000 .797 278,950
400,000 .712 284,800
450,000 .636 286,200
500,000 .567