Classify each of the following activities into one of the four cost of quality categories and/or identify it as a value-added or a non-value-added activity. Exercise 19.13 Part a a. Rework, due to poor materials, on bicycles at Trek. (Select all that apply.) Value-added activity Non-value-added activity Internal failure cost External failure cost Appraisal cost Prevention cost b. Inspection costs incurred by Walmart on merchandise purchased from Mattel, Inc. (Select all that apply.) Value-added activity Non-value-added activity Internal failure cost External failure cost Appraisal cost Prevention cost c. Costs incurred by Walmart when merchandise, purchased from Grocers, Inc., spoils in its warehouse before shipping to its stores. (Select all that apply.) value-added activity Non-value-added activity Internal failure cost External failure cost Appraisal cost Prevention cost d. Work in process inventory wait-and-move time between the lathing and finishing stages in a furniture manufacturing facility. (Select all that apply.) Value-added activity Non-value-added activity Internal failure cost External failure cost Appraisal cost Prevention cost e. Training for line workers on proper operation of equipment. (Select all that apply.) Value-added activity Non-value-added activity Internal failure cost External failure cost Appraisal cost Prevention cost f. Recording the number of defects produced each month. (Select all that apply.) Value-added activity Non-value-added activity Internal failure cost External failure cost Appraisal cost Prevention cost g. Offering customer refunds due to defective products. (Select all that apply.) Value-added activity Non-value-added activity Internal failure cost External failure cost Appraisal cost Prevention cost h. Waste disposal costs at Kimberly-Clark. (Select all that apply.) Value-added activity Non-value-added activity Internal failure cost External failure cost Appraisal cost Prevention cost