Scenarios (Possible Instances of the current System) First Scenario Customer asks for goods and goods are available) • Customer asks for goods • Relevant goods are given\chosen by the customer • Goods produce to the cashier • Concern the amount of goods and values by the cashier • Cashier prepares the bill • After taking the bill, customer pay money • Goods are handed over to the customer with the bill Second Scenario (Customer asks for goods and goods are not available) • Customer asks for goods • Goods are not available to see • Cashier checks the stock • Confirm the information • Customer leaves Third Scenario (Cashier end up the day transaction) • Cashier close the counter • Count all the cash and take the total balance • Compare the balance with the terminal • Find reason if there are any variations • Hand over the cash to Manager with final report Fourth Scenario ( Goods reorder) • Some goods items in the stock has come to the reorder level • Manager checks out for stock\ • He prepares the purchase requisition’ • Send to relevant suppliers Fifth Scenario (Goods reciepts) • Suppliers send goods • Goods received to the stock • Checkout for verification with the goods ordered • Update the stock in the system • Store the items at the stores Sixth Scenario (Final Stock verification) • Calculate the stock items in quantity of each items • Prepare records • Checkout for system stock for the balance of stock for that date • Find reasons for variations if any
• Prepare final account of stock Class Diagram Goods Issued / Receipts
Stock Cash balance Decrease /Increase Decrease /Increase
Inventory Control System
Summarized Balance Sheet Cash Balance Stock Balance
Use case Diagrams Figure 1: Existing Manual System
Figure 2: Computerized system
Alternative Solutions 1. Existing System can be improved 2. Automating the existing system with 1pc 3. Networking system with 2 pcs 4. Using the POS terminal with 1 pc Evaluating the system First Alternative(Existing System can be improved) Steps • Keep the relavant registeres • One person has to be recruited • Buy one cupboard to store relavant records Feasibility Study Economic Feasibility Cost Stationary =10000 Cupboard =10000 Other =25000
Benefits Target Sales Increment: End of the First Year End of the second year
45000
=50000 =100000 150000
Technical Feasibility • Necessary equipments and the manpower can be obtained easily for m the open market Schedule Feasibility 3 months Operational Feasibility • As the existing system is a manual one, this can be implemented easily Second Alternative(Automating the existing activities with 1pc) Steps • Buy one pc • A new system should be developed • System will be handled by the Manager or the Properitor
Feasibility Study Economic Feasibility Cost 1 PC Accessories System Development
=75000 =5000 =50000
Benefits Target Sales Increment: End of the First Year End of the second year
130000
=100000 =120000 220000
Technical Feasibility • Necessary equipments can be brought from the open market • System can be developed as there are talented and skilled people in the market Schedule Feasibility 3 months Operational Feasibility • There are plenty of skilled people to implemented the software and required equipments can be brought from the open market Third Alternative(Networking system with 2 pcs) Steps • Buy 2 pcs and other required accessories • A new system should be developed • One person should be recruited Feasibility Study Economic Feasibility Cost 2 PC’ s Accessories System Development Salary
=150000 = 5000 = 50000 = 25000 265000
Benefits Target Sales Increment: End of the First Year End of the second year
=150000 =175000 325000
Technical Feasibility • Necessary equipments and the manpower can be obtained easily for m the open market • System can be developed as there are talented and skilled people in the market Schedule Feasibility 3 months
Operational Feasibility • There are plenty of skilled software people and required equipments can be brought form the open marked easily
5. Steps • • •
Fourth alternative(Using the POS terminal with 1 pc) Buy1 pc and 1 POS terminal A new system should be developed One person should be recruited to handle the POS terminal
Feasibility Study Economic Feasibility Cost 1PC’ s 1 POS terminal Accessories System Development Salary
=75000 = 36000 = 5000 = 50000 = 60000 265000
Benefits Target Sales Increment: End of the First Year End of the second year
=150000 =200000
350000
Technical Feasibility • Necessary equipments and the manpower can be obtained easily for m the open market • System can be developed as there are talented and skilled people in the market Schedule Feasibility 3 months Operational Feasibility • There are plenty of skilled software people and required equipments can be brought form the open marked easily • Easy maintenance of the business and quick response can be given to the customers
Client Decision: Select the fourth Alternative that is “Implementing a computerized system with one Personal Computer and One POS terminal”
Requirement Analysis User Requirement Identification of the current users and their tasks with the existing system 1. Manager : Maintain the business Activities Produce reports and keep records 2. Customer
: Buy goods from the stores Get the information
3. Government
: Get information for income tax preparation
New users and their new tasks 1. Cashier : Maintain activities with customers Produce required information to the customers