Referring to the previous scenario, suppose that during the first 12 weeks, this company was the only clothing retailer in a busy mall. During the second 12 weeks, a rival company opened. Then, during...

Referring to the previous scenario, suppose that during the first 12 weeks, this company was the only clothing retailer in a busy mall. During the second 12 weeks, a rival company opened. Then, during the third period, a second rival opened. Would the SRM be a useful description of the relationship between sales and advertising?