In 20X1, Don Blackburn, president of Price Electronics, received a report indicating that quality costs were 31% of sales. Faced with increasing pressures from imported goods, Don resolved to take measures to improve the overall quality of the company's products. After hiring a consultant in 20X1, the company began an aggressive program of total quality control. At the end of 20X5, Don requested an analysis of the progress the company had made in reducing and controlling quality costs. The accounting department assembled the following data: Required: 1. Compute the quality costs as a percentage of sales by category and in total for each year. Round your answers to two decimal places