Products are introduced into a product line is known as line stretching. The company produces low range of products as well as high range of products and they are in different ranges of the product line. For example the prices of Mercedes car in automobiles are located in the upper range and upper price. The company uses this line stretch when they increase their length of the product... https://www.expertsmind.com/marketing/line-stretching-homework-assignment-help.aspx