3. Why did Superior improve profitability during the period January 1 to June 30, 2005? How useful was the data in Exhibit 4 for the purpose of this analysis? 4. Why is it important that Superior has an effective cost system? What is your overall appraisal of the company's cost system and its use in reports to management? List the strengths and weaknesses of this system and its related reports for the purposes management uses the system's output. What recommendations, if any, would you make to Waters regarding the company's cost accounting system and its related reports?