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DESIGN AND IMPLEMENTATION OF A COMPUTERIZED SALES INVOICING SYSTEM.

 

ABSTRACT

 

          The manual method of processing invoice as seen shortcoming ranging from slow services to inaccurate computations and poor records keeping. It is because of these problem inherent in the manual processing that led to the development and implementation of a new digital computer for the processing customers invoices named “Invoicing machine” or an invoicing software. The machine is programmed to calculate and print invoices from prepared to calculate and print invoices from prepared data carriers. Nowadays, different software firms are working towards developing a better and generic invoicing system which is the major concern of this work. The methodology adopted in getting information, personal interview and use of questionnaire. However a computer programme was designed to solve the problem of the study, after data analysis, the following findings were made:-

• The automated system saves time, human labour and reduces the amount of stress that workers face using the manual method.
• The method if implemented produces quicker and more accurate result than the manual method. However, the study recommendation that the Nigerian Bottling Company should adopt an automated system producing their sales invoices in other to meet the trend of the new age to satisfy their numerous customers.

 

CHAPTER ONE

INTRODUCTION

 

The present era can be best define as computer era. Because the computer is playing a key function. Electrical compute are used extensively in business to process financial data.

Computer had a major effect on the way, business are been run in commercial industries. This has not only revolutionized the accounting records keeping and reporting operations of traditional buying and selling services but has enable the growth of new computerized accounting packages such as invoicing packages, stick control packages, payroll packages, financial planning packages, sales ledge packages etc.

Invoicing which is the main concern of this research work has to do with the preparation of a source document by the seller that lists the items supplied, their cost and amount paid on them. In a small enterprise the buying may be done by the owner or by an employee. The manual method of processing invoices as seen in many business are seen to have some shortcoming ranging from slow services to inaccurate computations and poor records keeping. These problem inherent in the manual processing let to the development and production of a new digital computer between (1966 and 1973) for the processing of customers invoices. It was called “invoicing machine which is programmed to calculate and print invoices from prepared data carriers, nowadays developing a better and generic invoicing system are the concern of the different software firms and they are working towards it which the research work is dwelling on.