The Notion of Permanent Output Is Important for Investment Since

The notion of permanent output is important for investment since

A) the demand for capital depends on a normal or permanent level of output
B) firms always try to keep their level of investment spending fairly constant
C) firms expect current output to always be equal to permanent output
D) the difference between permanent output and current output is equal to inventory accumulation
E) current consumption depends on permanent income, and more consumption always leads to more investment