(Quality costs; Pareto analysis) Altazar Electronics has identified the following 2010 warranty costs for one of the company products. The information has been categorized according to the type of product failure.

Model

Electrical

Motor

Structural

Mechanical

Total Dollars

Chic

$ 45,360

$ 50,000

$26,760

$11,200

$133,320

Elegant

57,640

64,000

52,200

12,000

185,840

Others

17,660

33,180

12,360

21,640

84,840

Total

$120,660

$147,180

$91,320

$44,840

$404,000

a. Rearrange the rows in descending order of magnitude based on the Total Dollars column, and prepare a table using Pareto analysis with the following headings:

Model

Dollars

% of Total

Cumulative % of Total

b. Which model(s) account for the vast proportion of all failure costs? Discuss.

c. Devise a plan for Altazar Electronics to address the prioritization of preventive measures based on the findings in the Pareto analysis.