The following table provides data on quality losses at Nosoco Paper Mill.
	Category	Annual Loss
	Downtime	$30,000
	Testing costs	$15,000
	Rejected paper	$375,000
	Odd lot	$66,000
	Inspection	$25,000
	Customer complaints	$103,000
	Wasted materials	$31,000
	Quality improvement training	$10,000
	Total Quality Cost	$655,000
a)	Find the percentage of cost for each category in the table above, and the cumulative percentages when the categories are sorted by decreasing costs.
b)	Construct a pareto chart of the costs in the table above. (Bar chart sorted from highest to lowest cost.)
c)	Identify the quality cost classification for each category in the table above (prevention, appraisal, internal failure, external failure).
d)	What are your conclusions and recommendations based on your analysis in parts (a) through (c) above?