The sales statistics from January to May showed that the growth rate of wholepassenger vehicle sector is dropping. During the first half of 2004, a number of car makersreduced their prices to maintain market share, including GM and VW. It is calculated th The sales statistics from January to May showed that the growth rate of wholepassenger vehicle sector is dropping. During the first half of 2004, a number of car makersreduced their prices to maintain market share, including GM and VW. It is calculated th