LED $($IIght$-$emitt$$ng d$$ode$)$ IIghtbulbs, such as the Cree LtD bulb, have been avallable tor only a tew years in low lighting levels $($Iumens$).$ Iney are designed to replace incandescent and compact fluorescent lightbulbs, and in fact a recent federal law banned incandescent lightbulbs in favor of more energy$-$efficient ones. LED bulbs are more expensive but will last up to $20$ years. In what stage of the product life cycle is this product?

Multiple Choice

growth stage

decline stage

accelerated development stage

introduction stage

maturity stage