Castner Corporation is considering implementation of a JIT inventory system. The company’s industrial engineer recently conducted a study to determine the average number of days spent in each activity of the production process. The following table summarizes her findings.

Instructions
a. Identify Castner’s value-added production activities.
b. Identify Castner’s non–value-added production activities.
c. Calculate Castner’s total cycle time.
d. Determine Castner’s manufacturing efficiency ratio.
e. Which of these activities might be reduced or eliminated if Castner implemented a JIT system?
f. What ethical issues might be related to eliminating some of the non–value-added activities?

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Production Activity Inspecting materials Storing materials Moving materials into production Setting up production equipment Cutting materials Bending materials Assembling finished products Painting finished products Number of Days 2 15 523 6 + 62 4