The supply necessity is to be recognized. The supply need can occur from the completion of a prevalent agreement of supply or a new product development. Analysis of situation is performed. The analysis of situation views both the external and internal environment in which the decision of supply is taken. The potential suppliers are assesses and recognized. Potential suppliers are the ones who outlines potential information sources, develops criteria of selection, and allots weights to criteria of selection is assessed and recognized. Suppliers are chosen. This is where one or more than one firms are chosen in order for relevant products to be supplied. The decisions are assessed. This contains a comparison between actual performance of supplier and anticipated performance of supplier is evaluated ("Supplier selection process", 2019).