Your first task as a product manager at Caterpillar (construction and mining equipment) is to evaluate the Market Segmentation strategy followed by your predecessor. For the past five years, this manager had been dividing the market on the basis of customer size (i.e. revenue) and developing a marketing strategy for each of four different customer groups: <$10M in annual revenue $10M-$100M in annual revenue $100M-$1B in annual revenue $1B+ in annual revenue What kind of segmentation approach is this? Is it a good approach? Why or Why not? What other criteria might you consider to improve your segmentation approach? Please be sure to answer all questions and provide appropriate detail in your answers.