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 life cycle like products do.
B) consumer products have shorter life cycles than business products.
C) business products have shorter life cycles than consumer products.
D) technological change tends to lengthen product life cycles.
E) product life cycles are longer for ideas than for services.