It is really necessary for service firms to engage in research and development? in planning for production and operations control?

Yes just because they are a service firm does not mean they should slack in the area. This area is directed toward innovation, introduction, and improvements of products. There are many things that can be learned through this area regardless if people think they know everything in their field. There are still lot of things to learn like product research and development. It goes hand in hand with market research and development. Considerable connection is required between these two areas, and procedures need to be standardized. Setting up a production process or a new line can involve considerable cost, and careful work in the early stages will help to ensure that profits are made. Product researchers use marketing data to help them to develop products or services and choose suitable designs.

b, fewer problems later! good luck

answer; it can vividly demonstrate product attributes and persuasively explain their corresponding consumer benefits;