Pintura Company implemented a quality improvement program and tracked the following for the five years: 20X1 20X2 20X3 20X4 Quality Costs $750,000 690,000 680,000 510,000 480,000 Actual Sales $3,000,000 3,000,000 3,400,000 3,400,000 4,000,000 Costs as a Percentage of Sales 25.00% 23.00 20.00 15.00 12.00 20X5 By cost category as a percentage of sales for the same period of time: Appraisal 1.50% External Failure 13.00% 10.50 20X1 20X2 20X3 20X4 20X5 Prevention 1.00% 2.00 2.50 3.00 3.50 Internal Failure 9.50% 8.50 7.50 4.50 2.50 2.00 3.00 7.00 4.00 3.50 2.50 Required: 1. Prepare a bar graph that reveals the trend in quality cost as a percentage of sales (time on the horizontal axis and percentages on the vertical). Comment on the message of the graph 2. Prepare a bar graph for each cost category as a percentage of sales. What does this graph tell you