106. Following a successful concept test, the new-product manger will develop a preliminary strategy plan for introducing the new product into the market. This plan consists of three parts. List and briefly describe the elements contained in these three parts. 107. After management develops the product concept and marketing strategy, it can evaluate the proposal’s business attractiveness. Management needs to prepare sales, costs, and profit potentials. The first step is to estimate total sales. Describe what is included in estimating total sales.  Â