2. Measuring Marketing Effectiveness Marketing plans should addvalue for the organization and marketers should be accountable forthe successes and failures of the plans. Define and briefly discussthe importance of the three distinct levels for measuring marketingeffectiveness. Is it reasonable to hold marketers accountable forresults at each level? Why or why not? Name at least three factorsthat might make it difficult to assess success or failure ofmarketing plans. Your initial post should be a minimum of 300words.