Tiffany Is the Purchasing Manager for Electronic Components That Are

Tiffany is the purchasing manager for electronic components that are kept in inventory for a large electrical contracting company. Tiffany sources most of these items from Fastenal and is thrilled with their ability to help her maintain the appropriate level of inventory for the various items. Fastenal has a computer system to assist Tiffany with her forecasting and can identify items that are "slow moving" or "fast moving" meaning that there are some items that are used more frequently than others. Fastenal has also helped Tiffany to identify the inventory levels when reorders should be placed so that she's never out-of-stock in any items. Which stage of the purchasing process is Fastenal providing assistance?

A) Select an order routine
B) Obtain feedback and evaluate performance
C) Evaluate proposals and select suppliers
D) Describe characteristics and the quantity of a needed good or service