Question: eComp com manufactures personal digital assistants PDAs Because these very small manufactures personal digital assistants (PDAs). Because these very small computers compete with laptops that have more functions and flexibility, understanding and using cost behavior is very critical to’s profitability.’s controller, Kelly Hudson, has kept meticulous files on various cost categories and possible cost drivers for most of the important functions and activities of Because most of the manufacturing at is automated, labor cost is relatively fixed. Other support costs comprise most of’s costs. Partial data that Hudson has collected over the past 25 weeks on one of these support costs, logistics operations (materials purchasing, receiving, warehousing, and shipping), follow:

1. Plot logistics costs, Y, versus number of orders, X. What cost behavior is evident? What do you think happened in week 14?
2. What is your recommendation to Kelly Hudson regarding the relevance of the past 25 weeks of logistics costs and number of orders for measuring logistics cost behavior?
3. Hudson remarks that one of the improvements that has made in the past several months was to negotiate JIT deliveries from its suppliers. This was made possible by substituting an automated ordering system for the previous manual (labor-intensive) system. Although fixed costs increased, the variable cost of placing an order was expected to drop greatly. Do the data support this expectation?
Do you believe that the change to the automated ordering system was justified? Why or why not?

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  • CreatedNovember 19, 2014
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