【正文】
Satisfied Customer (no reason to change) Satisfied amp。 Line Pruning 169。20xx Prentice Hall Product Mix Width number of different product lines Length total number of items within the lines Depth number of versions of each product Product Mix all the product lines offered 169。 personal selling Buy frequently amp。 Quality ? Price amp。 Labeling 169。 Managing the Product Mix amp。169。20xx Prent