Competition between companies increasingly fierce makes companies have to look for alternatives in order to attract customers. Customers will feel comfortable and transact continuously to the company if the service of the company is satisfactory, otherwise if the services of the company less satisfying consumers will turn to companies that His ministry better. This is very harmful for the company. This study aims to determine which will best customer deserves bonus by CV. Puji Snack Purbalingga. Variable Rate used is the number of transactions, the number of late payments, old subscription and the total expenditure. Results of this research is a decision support system application with the weighted product method. The system is built with the C# programming language using SQL Server 2008 database.