Accounting Discussion - LCM Rule

Explain how the concept of the lower of cost or market rule satisfies the conservatism principle. Is the LCM rule a contradiction to the historical cost principle? Why or why not? How does the concept of materiality relate to the write down of inventory?

*Only has to be a small paragraph.  Must be thoughtful and on point.

Needs to be done soon as possible as it is due this evening.