The vice president of supply chain at PE proposed postponing the final labeling and packaging to the

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Question:

The vice president of supply chain at PE proposed postponing the final labeling and packaging to the DC. Her logic was that postponing labeling and packaging to the DC would allow PE to use all available inventories to serve any customer. In particular, the situation that arose in the previous month when Best Buy did not get its entire order could have been avoided through postponement. If packaging was shifted to the DC, the lead time of manufacturing and transporting the basic product from Malaysia would continue to be about nine weeks. Labeling and packaging were relatively quick steps and the response time from the DC to the customer was not expected to change.

The DC management was opposed to this idea because it be additional work that was different from what they had done so far. A detailed study of the production process showed that labeling and packaging at the DC cost $2 per unit more than the cost of labeling and packaging in Malaysia. DC management believed that this increase in cost would be held against them once the process was changed, and they would be under constant pressure to lower cost. They also believed it would complicate the work they did when filling an order and could adversely impact customer service.

To evaluate the two options, a team from both manufacturing and the DC was set up. The team decided to focus its analysis on three major product categories—computers, printers, and scanners, and four major customers—Target, Best Buy, Staples, and Office Max. Weekly demand for each product and customer is shown in Table 12-9. In each case, "Mean" indicates the average weekly demand, and "SD" indicates the standard deviation of weekly demand. All demand was assumed to be normally distributed. PE incurred a total cost of $1,000 per computer, $300 per printer, and $100 per scanner. Given the short life cycle of these products, PE used an annual holding cost of 30 percent when making its inventory decisions. It was assumed that batch sizes and cycle inventories would be unchanged irrespective of where packaging and labeling were done. Thus, the team analyzed the impact of postponement on safety inventories before making a final recommendation.

	Computers		Printers		Scanners
	Mean	SD	Mean	SD	Mean	SD
Target	1000	700	2000	1000	4000	1000
Best Buy	700	600	1500	800	4500	900
Office Max	800	600	1200	600	2000	700
Staples	500	400	900	500	1400	500

Questions

1. What is the annual holding cost of safety inventory for the current system in which product is produced, labeled, and packed in Malaysia before being shipped to the DC?

2. How would the holding cost of safety inventory change if labeling and packaging were moved to the DC? Evaluate the change in inventory costs as the correlation coefficient of demand between any pair of customers varies from 0 to 0.5 to 1.0.

3. How should PE set up its production, labeling, and packaging processes? Does your answer change if the additional cost of labeling and packaging at the DC is reduced to $1 (from the current value of $2)?