The Following Represents the Financial Information of Madison Tool Corporation

The following represents the financial information of Madison Tool Corporation, a manufacturer of testing equipment:
$\begin{array}{lr}& \text { May } \\\text { Customer complaints } & \$ 11,200 \\\text { Field testing } & 37,600 \\\text { Materials inspection } & 26,000 \\\text { Preventive maintenance } & 54,000 \\\text { Process inspection } & 6,600 \\\text { Quality training } & 75,200 \\\text { Rework } & 68,000 \\\text { Scrap } & 7,400 \\\text { Testing equipment } & 28,000 \\\text { Warranty repairs } & 17,200\end{array}$
Required:
a. Classify these items into prevention, appraisal, internal failure, or external failure costs and determine the total cost of each category.