Sales of mobile phones in the United States are still increasing, but the rate of growth has slowed. Sales are expected to peak somewhat soon in the U. S. Based on this information, mobile phones are in what stage of the product life cycle in the U. S.?

maturity

Explanation:

Based on the scenario being described within the question it can be said that the mobile phones are in the maturity stage of the product life cycle. This stage is classified as having past the drastic growth phase in which sales begin to slow down until full maturity is met and sales ultimately begin to die down. Leading to the decline stage.

answer; /// i believe its (bas design);