According to BCG portfolio analysis, it is important to have a balanced portfolio. Which of the following statement describes a valid recommendation from BCG analysis? a. Allocate resources evenly across all cells of the portfolio O b. Use sales from rising stars to finance question marks O c. Make sure that products or SBU's will move through all cells during it's life cycle O d. Milk the cash cows to finance rising stars O e. Diversify into different cells