Please read the two cases below and answer the following questions based on what you learned in chapter 3.

a) James is a marketing manager at HP, a manufacturer of high-speed copiers. The company aimed to introduce a new model of copiers. Management should make a choice between two advertising programs for the product. The VP of marketing likes advertising program "A" and believes that it would sell more than program "B". He is going to meet James to plan an appropriate study to aid them in their final decision as to which program would be more appropriate.

b) Radisson hotel is concerned with improving the quality of its services to room customers. Specifically, the hotel management wants to assess whether customers are satisfied with the current service, and the nature of their satisfaction or dissatisfaction.

What research design (i.e., exploratory, descriptive, or causal) and what research technique (e.g., secondary data, interview, focus group, survey, etc.) would you recommend in these two cases? In each case, justify your choice