1. Design, development and delivery costs of Wired Class
Fixed and Activity Unit Number of Unit cost Total costs
variable costs units (£) (£)
Capital costs Web server (hardware & software) £ 1 3000 3000 a
£ 1 100 100 b
Programming language package £ 1 395 395
Photo editor £ 1 70 70
CGI scripts package £ 1 80 80
Domain name registration £ 1 18 18
HTML editor £ 1 99 99
Maths grapher £ 1 45 45
Total 3,707 a
807 b
Module Rewriting course content for the Web Screen 252 C1 (2525C1)/
dependent (lesson, examples, self-tests, pages Screen
elements exercises, send to the teachers tasks, pages/hour
on-line discussion topics and Web
links)
Writing HTML pages, including HTML 252 C2 (2525C2)/
writing HTML pages and layout and pages HTML
hyperlinks design pages/hour
Designing and developing graphics Graphics 126 C3 (1265C3)/
Graphics/hour
Designing interactive graphs and Graphs 13 C4 (135C4)/
scripts graphs/hour
Adapting & programming Java and Code lines 330 C5 (235C5)/ code
Java Scripts lines/hour
Programming CGI scripts Script code 4420 C5 (2215C5)/
line script code
line/hour
Designing and developing on-line HTML 9 C2 (95C2)/
tests, including writing HTML pages pages pages/hour
and layout and hyperlinks design
Graphics 9 C3 (95C3)/
graphics/hour
CGI script 60 C4 (95C4)/ script
code line code line/hour
Revising course materials by content Pages 252 C5 (2525C5)/
experts revised
page/hour
Module- Designing interaction tools (e.g., chat Pages 29 C2 (295C2)/
independent and discussion boards), including pages/hour
elements writing HTML pages and layout and
hyperlinks design
Graphic 5 C3 (55C3)/
graphics/hour
Script line 130 C4 (1305C4)/
script code
line/hour
Developing administration tools Pages 14 C2 (145C2)/
(logging-in and logging-out, grading, pages/hour
etc.), including writing HTML pages
and layout and hyperlinks design.
Graphic 7 C3 (75C3)/
graphics/hour
2. Fixed and Activity Unit Number of Unit cost Total costs
variable costs units (£) (£)
Script line 190 C4 (1905C4)/
script code
line/hour
Developing support tools(on-line Pages 169 C2 (1695C2)/
board, teacher today page, on-line pages/hour
help, etc.), including writing HTML
pages, layout and hyperlinks design.
Graphic 112 C3 (1125C3)/
graphics/hour
Script line 80 C4 (805C4)/
script code
line/hour
Testing by experts Pages 212 C5 (2125C5)/
pages/hour
Total Fixed £ (2525C1+
costs 4725C2+
2595C3+
5225C4+
7085C5)
Variable costs Tuition, support and assessment Hour/day 2 C6 25C6
Recurrent Site maintenance Hour/week 2 C7 25C7
costs Running the Web server
Maintenance a Hour/week 2 C7 25C7 a
Connection a £/month 500 5005C7 a
Virtual Web server (rent) b £/month 50 50 b
Total variable £/week (45C6)+
and recurrent (1295C7) a
(45C6)+
(25C7)+12.5b
Total costs
a Purchasing a Web server model
b Renting a virtual Web server model
3. Rules-based estimates for design and development costs
Cost contributor Measure Productivity Requirement Cost/hour
rule per the
course
Rewriting course content for the Web Pages/hour 3 252 10
Writing HTML pages HTML 5 464 10
page/hour
Designing and developing graphics Graph/hour 3 252 15
Designing interactive graphs and Interactive 2 13 20
scripts graph/hour
Adapting & programming Java, Java Script code 10 5210 20
Scripts and CGI scripts line/hour
Revising course materials and design Page/hour 9 464 20
by content and design experts
Hour/day 2* 40 10
Tuition and support
Hour/day 2 16 10
Site maintenance
Hour/week 2 16 10
Web server maintenance a
Web server connection a £/week 125 £1000 -
£/week 12.5 £100 -
Virtual Web server (rent) b
*
This time estimation is based on 32 students, studying one course, two times a week and for 8 weeks.
a
Purchasing a Web server model
b
Renting a virtual Web server model
4. Costs of Wired Class
Type of costs Costs (£) %
Capital costs 3,707 a 18.20 a
807 b 4.88 b
12,347 -
Course-dependent development costs
2,315 -
Course-independent development costs
Total development costs 14,662 74.32 a
92.28 b
Total fixed costs 18,369 a 93.11 a
15,469 b 97.36 b
Tuition, support and Web site maintenance costs 960 -
1,040 5.11
Server maintenance and connection re-current
costs a
Virtual web server re-current costs b 100 .60
a
Total costs 20,369
b
Total costs 16,529
a Model a: Purchasing a Web server
b Model b: Renting a virtual Web server
5. The elements of student-related costs
Type of cost Using school LAN Cost
(£)
Capital costs LAN with shared modem 16,000
(infrastructure and computers for
6 students)
Network printer 400
Web clients 0
Textbooks 10
Recurrent costs Network operation and 10% of the LAN cost
maintenance per year
Connection charge per minute .02
9. The unit cost per course with increasing the number of courses
Number of courses Course 1 Course 2 Course 3 Course 4 Course 5 Course 6 Total
Fixed and capital costs 3,707 0 0 0 0 0 3,707
Course-dependent elements 12,347 12,347 12,347 12,347 12,347 12,347 74,082
Course-independent elements 2,315 0 0 0 0 0 2,315
Tuition and support 960 960 960 960 960 960 5,760
Server costs 1,040 0 0 0 0 0 1,040
Total costs 20,369 13,307 13,307 13,307 13,307 13,307 86,904
Cumulative total costs 20,369 33,676 46,983 60,290 73,597 86,904 -
Cost per course 20,369 16,838 15,661 15,072 14,719 14,484 -
Increasing the number of courses reduces the unit cost per course
25,000
Cost
20,000 Unit cost per course
15,000
10,000
5,000
0
1 2 3 4 5 6
Number of courses
