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This is the expense the company spent on research and development. Western Digital Corp's research and development for the three months ended in Mar. 2015 was $402 Mil. Its research and development for the trailing twelve months (TTM) ended in Mar. 2015 was $1,691 Mil.
This is the expense the company spent on research and development.
Western Digital Corp Research & Development for the trailing twelve months (TTM) ended in Mar. 2015 was 426 (Jun. 2014 ) + 437 (Sep. 2014 ) + 426 (Dec. 2014 ) + 402 (Mar. 2015 ) = $1,691 Mil.
If competitive advantage is created by a patent or tech advantage, at some point it will disappear.
High R&D usually dictates high SG&A which threatens the competitive advantage.
Western Digital Corp Annual Data
|Research & Development||297||306||464||509||611||703||1,055||1,572||1,661||1,646|
Western Digital Corp Quarterly Data
|Research & Development||378||396||402||401||416||418||426||437||426||402|