Problem

Nazu. Inc., produces a popular brand of humidifier that is backed by a five-year warranty....

Nazu. Inc., produces a popular brand of humidifier that is backed by a five-year warranty. In Year 1. Nazu began implementing a total quality management program that has resulted in significant changes in its cost of quality. Listed below is Nazu’s financial information relating to sales and quality for the past two years.

 

Year 1

Year 2

Sales revenue

$600,000

$600,000

Warranty expense 

25,000

23,000

Product design

4,000

16,000

Scrap

3,000

1.000

Process reengineering

7.000

15,000

Raw materials inspections

5,200

2.000

Product liability claims

6,200

7,000

Rework

3,000

2,800

Returns resulting from defects  

6,400

5,000

Supplier certification costs

600

2,000

Preventive maintenance on equipment  

1,200

2,000

Final inspection costs

12,000

8,000

Employee quality training

1,400

3,000

Equipment breakdown repair costs 

9,000

6,000

Estimate of lost sales due to quality problems  

12,000

12,000

Instructions

a. Prepare a cost of quality report for Nazu covering Year 1 and Year 2. Your report should divide the above costs into the four categories of quality costs and include total dollar amounts for each category.


b. How have the total amounts of prevention and external failure costs changed over the two years? What are some possible explanations for these changes?


c. At Nazu, preventive maintenance has a direct effect on the repair costs associated with equipment breakdowns. Did the decrease in repair costs justify the increase in maintenance costs?


d. Why might Nazu’s estimate of lost sales remain the same despite the adoption of the total quality management program?

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