Memory Coffee has been getting many complaints from their customer about the quality of their coffee. The manager then decides to collect information on defective coffee through online questionnaire. The questionnaire was filled by a total of 394 customers in the past 10 weeks, and the data is as follows. Week No. Of Coffee Served No. of Servings with Defects Others 0 10 15 6 1 2 3 4 5 6 7 Reason for Defective Coffee Bad Incorrect Bad Coffee orders Taste Packaging 2 5 3 4 4 2 1 10 3 20 8 7 0 3 15 2 0 0 43 32 34 33 60 SO 40 31 41 30 0 0 30 14 20 16 18 19 8 10 Questions: a. Construct a Pareto chart for the type of defects that have occurred. (8%) b. Draw a cause-and-effect chart showing the possible reasons of customer's dissatisfaction? (notes: You can use your Ms' or create your own organizing scheme) (8%) C. If you were the manager, what is the main issue you would tackle to improve your business? How would you tackle it? (4%)