$[5])$ Product life cycle

$11$B$.6$ The following multiple choice questions are based on section $11\mathrm{.}6$ "Procuct Life Cycles" $($METS$-3$: $234-235)$ of the textbook.

$11$B$\mathrm{.}6\mathrm{.}1$ Read the following three statements:

a$)$ Product and services have limited lives.

b$)$ Organisations that define themselves in terms of a speclfic product will fade as the product matures and declines.

c$)$ Sales slow down during the maturity stage of a product.

Which of the above statements is$/$are correct?