Below are the quality costs data for a company for 2014 & 2015 2014 2015 Prevention $90,000 $110,000 Appraisal $50,000 $62,000 Internal Faliure $40,000 $34,000 External Faliure $62,000 $60,000 Sales: $5,100,000 $5,350,000 A) whats the percentage change in the total quality index between 2014 & 2015 B) What is the percentage change in the precention quality index between 2014 & 2015 C) What is the percentage change in the internal faliure quality index between 2014 & 2015 ? D) Do you think this company is on the right track investing more in quality improvements? Please explain using the above data.