Recall the Application About Adapting Growth Accounting to New Developments

Recall the Application about adapting growth accounting to new developments in the economy to answer the following question(s) .
-According to this Application, economists Carol Corrado and Charles Hulten found that in recent years, as a source of economic growth,

A) the contributions from tangible capital and intangible capital are, at best, negligible.
B) the contributions from tangible capital and intangible capital are about the same.
C) the contribution from intangible capital exceeded the contribution from tangible capital.
D) the contribution from tangible capital exceeded the contribution from intangible capital.