2. (TCO 1) Discriminate between primary data and secondary data and their usefulness to business decision making being sure to discuss the advantages and disadvantages of each. Your response should also identify the typical sources for primary and secondary data and what you would rely on most heavily in making your marketing decisions. (Points : 30) 3. Advertising is an expensive and important part of the promotional mix. One problem plaguing an advertiser is that it is very difficult to measure the effectiveness of ads. Still, there are fundamentals of advertising analytic that are relatively easy to measure. 1. What is advertising frequency? Build a mathematical example. ?2. What is reach? ?3. How do these variables work together in the GRP (Gross Rating Points) formulation? Be sure to demonstrate the formula for GRP. Is GRP an indicator of ad effectiveness? Explain. (Points : 30)