Network Solution needed in Cisco Packet Tracer

The Blue Bird Corporation is tapping your expertise. They want you to build a network to be implemented and tested using Packet Tracer based on the following specifications:

It has 5 routers namely: Administration, Management, Central, West, and East.
Administration supports the following networks with their respective number of hosts -
Finance 8
Accounting 10
Sales-Marketing 20
Management supports the following networks with their respective number of hosts -
HR 15
Executive 15
Central supports the following network with its respective number of hosts -
IT 5
West supports the following networks with their respective number of hosts -
CSOffshore 30
CSOnshore 30
East supports the following networks with their respective number of hosts -
Engineering 10
Research 5
FastEthernet interfaces are used to connect the following routers -
Administration and Central
Management and Central
Serial interfaces are used to connect the following routers -
Central and West
Central and East
West and East
Routing Information Protocol is used by the following routers -
Administration
Central
Management
Open Shortest Path First is used by the following routers -
Central
West
East
In configuring OSPF, use your student number for the following -
first two digits for the process number
last two digits for the area number
Create subnets for IPv4 address 192.168.7.0 using Variable Length Subnet Mask
Based on your subnetting, for the following networks, their first usable address will be assigned as the default gateway -
Finance
Accounting
Sales-Marketing
IT
HR
Executive
Engineering
Research
CSOffshore
CSOnshore
Connect one device on each of the following networks and statically assign an address on each of those devices using the last usable address on their subnetwork.
Finance
Accounting
Sales-Marketing
IT
HR
Executive
Engineering
Research
Connect two devices on both the CSOffshore and CSOnshore networks. The addresses are to be dynamically assigned using DHCP by router West.
Configure a DNS server and use the second available IP address from the IT network.
Configure a Web server and use the third available IP address from the IT network. A device what browses 'www.testXXXX.com' must show a default page with a message:
'Welcome! I am student XXXX'
Note: replace XXXX with your student number. For example if your student number is 4912, the domain name will be www.test4912.com (Links to an external site.) and message on the default page will be 'Welcome! I am student 4912'
Configure the network so that all devices have full connectivity with each other and can access www.