Purchasing agents at ACME Corp. are looking in company files and trade directories, contacting suppliers for information, soliciting proposals from known vendors, and examining various online and print publications. They are in which of the following stages of the buying decision process? a. Evaluating the supplier's and product's performance by comparing it with specifications b. Searching for and evaluating potential products and suppliers c. Selecting the product to be purchased and the supplier d. Developing product specifications e. Recognizing the