1 [19] GA2 (19 theory in engineering problems). a) Prepare a pie chart showing the different quality cost categories (Internal, external, appraisal and prevention costs) and percentages for the Impressive Printing Company, whose data is as shown in the table below. (15) Hint: First put the cost elements into the correct quality cost category, then find the total costs, and percentages of costs for each category b) Comment on the results from part (a). Impressive Printing Company quality costs Cost Element Customer complaint remakes Printing plate revisions Quality improvement projects Gauging Other waste Correction of typographical errors Proof reading Quality planning Press downtime Bindery waste Checking and inspection