Costs of Quality

Nuke It Now manufactures microwave ovens. The following represents the financial information from one of its manufacturing plants for two years.

 

Year 1

Year 2

Sales

$3,500,000

$3,800,000

Costs

 

 

Redesign process

$ 29,000

$ 37,000

Discard defective units

37,000

43,000

Training on equipment

250,000

210,000

Warranty claims

129,000

176,000

Contract cancellations

201,000

154,000

Rework

72,000

96,000

Preventive maintenance

114,000

152,000

Product liability claims

302,000

176,000

Final inspection

190,000

198,000

Required

a. Classify these items into prevention (P), appraisal (A), internal failure (IF), or external failure (EF) costs.

b. Calculate the ratio of the prevention, appraisal, internal failure, and external failure costs to sales for year 1 and year 2.