Xiaoning Wang is a diligent businesswoman. She continually searches for new product additions to further increase the profitability of ChinaSprout. She discusses broadly a method she applies for deciding what products to add and not add to her product lines.

1. What information should Wang search for to help her decide whether to add or not add new products to her existing product lines.

2. What managerial tools are available to her to help make the decision in part 1?