Alvin, the production manager at the paragon company, wants to select the best supplier of raw materials from among several vendors. he has several choices and has done research into which company provides the best services and products. one company is known to be extremely timely, another is much lower in price but often late in deliveries, and the third is well-known to provide the highest quality products available. once alvin makes the choice and contracts with the vendor, he will still need to