The $$XYZ Company$$ is a semiconductor company that manufactures electronic chips for computers. The company was established in $1998$ and located at New South Wales, Australia. The designs of chips are normally supplied by the customers. Operations are relatively complex and geared to high volume production to meet customer demands if required.

The company is analysing its cost of quality in order to design most appropriate corrective actions. Now as a manager in quality control department, the following information has been provided to you:

Costs of Quality Amount $($AUD$)$

Repair of customer returns$/$ warranty $3,$y$00$

Material review and corrective action costs $($including disposition costs$)7,000$

Rework due to design changes $2,$x$00$

Vendor systems audit $10,000$

Incoming and final inspection $10,000$

Operator SPC process control $7,000$

Employee training $3$z$,000$

Product development research $50,000$

Reinspection and retest $6,$t$00$

Retrofit cost $3,000$

Scrap $1,500$

Marketing Research $12,000$

Note: please substitute the letters $"$x$","$y$","$z$"$ and $"$t$"$ with:

$-"$x$"-->$ the second number of your student ID

$-"$y$"-->$ the third number of your student ID

$-"$z$"-->$ the fourth number of your student ID

$-"$t$"-->$ the fifth number of your student ID

So$,$ should your student ID be: $14680841$:

$-$ x $-->4$

$-$ y $-->6$

$-$ z $-->8$

$-$ t $-->0$

You are requested to discuss your approach to the solution and input the percentage of Internal Failure Costs, External Failure Costs, Prevention Costs and Appraisal Costs on Total Quality Costs.