There Is No Set Time That a Product Takes to Move

There is no set time that a product takes to move through its life cycle.But,as a rule,_________.

A) services do not have a tangible life cycle
B) consumer products have shorter life cycles than business products
C) packaged goods have a shorter life cycle than clothing
D) technological change tends to lengthen product life cycles
E) product life cycles are longer for ideas than for services