Fifth edition Alnoor Bhimani Charles T. Horngren Srikant M. Datar Madhav V. Rajan Farah Ahamed


Correcting students misconceptions



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Correcting students misconceptions
JIT is not a panacea. If a company tries to implement JIT before straightening out its production process and supplier relations, extensive downtime is likely to occur. The resulting problems are not caused by JIT per se, but rather by inappropriate implementation of JIT.
Points to stress
Management’s ability to reduce manufacturing lead time is to some extent a function of the production process. In automotive, computer and consumer electronics industries, companies such as Toyota, Hewlett-Packard, Siemens and Sony have significantly reduced manufacturing lead time. In contrast, producers of products such as wine or ocean liners are unlikely to reduce manufacturing lead time significantly. Recent research has shown that JIT adopters stock declines more than non-adopters’ stock, and this difference is most significant for WIP since it is totally within the adopters control. The


Bhimani, Horngren, Datar and Rajan, Management and Cost Accounting, 5
th
Edition, Instructor’s Manual
© Pearson Education Limited 2012 more interesting question is whether this and other benefits outweigh the costs of JIT, thereby increasing adopters profitability. Early results are mixed, but evidence suggests that if the adopter has a major customer, that customer may have extracted any benefits of JIT in the form of price concessions. In contrast, adopters with no major customers were more likely to retain the financial benefits of JIT, and their profitability was enhanced relative to non-adopters
(Balakrishnan, R, Linsmeier, T. J. and Venkatchalam M. (1996) Financial benefits from JIT adoption Effects of customer concentration and cost structure The Accounting Review (April):
183–205). The subsection on product-costing benefits of JIT points out that JIT can increase the accuracy of product costing by (1) eliminating activities that generate indirect costs (e.g. warehousing, material handling, and (2) increasing direct tracing of costs formerly classified as OH (e.g. costs of setups and maintenance performed by multiskilled workers can be traced directly to the manufacturing cell.

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