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 500 units and a contribution of $3,000per? unit; it is in the introductory stage. Product Bravo has annual sales of 2,500 units and a contribution of $2,500 per? unit; it is in the growth stage. Product Charlie has annual sales of 3,500 units and a contribution $1,250 per? unit; it is in the decline stage.