Prepare a$$ product$-$by$-$value analysis for the following$$ products, and given the position in its life$$ cycle, identify the issues likely to confront the operations$$ manager, and his or her possible actions. Product Alpha has annual sales of units and a contribution of per$$ unit; it is in the introductory stage. Product Bravo has annual sales of units and a contribution of per$$ unit; it is in the growth stage. Product Charlie has annual sales of units and a contribution of per$$ unit; it is in the decline stage