In: Accounting
The following represents the financial information of Fabriz Corporation, a manufacturer of electronic components, for two months:
| March | April | |
| Sales | 540,000 | 500,000 | 
| Costs: | ||
| Process inspection | 4,400 | 3,960 | 
| Scrap | 3,900 | 4,860 | 
| Quality training | 37,800 | 31,000 | 
| Warranty repairs | 9,200 | 9,800 | 
| Testing equipment | 16,000 | 16,000 | 
| Customer complaints | 8,200 | 7,800 | 
| Rework | 36,000 | 47,000 | 
| Preventive maintenance | 30,000 | 20,000 | 
| Materials inspection | 15,000 | 10,200 | 
| Field testing | 19,200 | 25,800 | 
a. Calculate the ratio of the prevention, appraisal, internal failure, and external failure costs to sales for March and April
| March | April | |
| Sales [A] | $ 540,000 | $ 500,000 | 
| Prevention Cost | ||
| Process inspection | $ 4,400 | $ 3,960 | 
| Quality Training | $ 37,800 | $ 31,000 | 
| Preventive Maintanance | $ 30,000 | $ 20,000 | 
| Material Inspection | $ 15,000 | $ 10,200 | 
| Total Prevention Cost [B] | $ 87,200 | $ 65,160 | 
| Prevention Ratio to sales [B/A*100] | 16.15% | 13.03% | 
| Appraisal Cost | ||
| Testing Equipment | $ 16,000 | $ 16,000 | 
| Field Testing | $ 19,200 | $ 25,800 | 
| Total appraisal Cost [C] | $ 35,200 | $ 41,800 | 
| Appraisal Ratio to sales [C/A*100] | 6.52% | 8.36% | 
| Internal Failure Cost | ||
| Scrap | $ 3,900 | $ 4,860 | 
| Rework | $ 36,000 | $ 47,000 | 
| Total Internal Failure Cost [D] | $ 39,900 | $ 51,860 | 
| Internal Failure ratio to sales [D/A*100] | 7.39% | 10.37% | 
| External Failure Cost | ||
| Warrnaty Repairs | $ 9,200 | $ 9,800 | 
| Custoer Complaints | $ 8,200 | $ 7,800 | 
| Total External Failure Cost [E] | $ 17,400 | $ 17,600 | 
| External Failure ratio to Sales [E/A*100] | 3.22% | 3.52% |