16.43. Cyber Research Case Find five companies with home pages on the Internet. Be sure that there is at least one company from each of the following categories: manufacturing, service, and wholesale-retail. Determine how each of the companies would define its product(s) for the purposes of cost-volume-profit analysis. Write a brief description of each company and your assessment of its product/service structure. Give your rationale for choosing the type(s) of product or service.