In order to make portfolio decisions, you will need to classify each product line as a star, cash cow, question mark, or dog, as defined by the BCG growth-share matrix. To begin, select one of YelloW's product lines.

a. CD Players
b. Smartphones
c. Laptops
d. Activity Wristbands

a. CD Players is a Dog product because it has low market share, low growth rate and low sales

b. Smartphones  is a Star Product because it has high market share, high growth rate, high sales and highly attractive to market.

c. Laptops is a Cash cow because it has high market share, low growth rate, high sales and lower attractive to market.

d. Activity Wristbands is a Question mark because it has low market share, medium growth rate, medium sales and medium to higher attractive to market.

Explanation:

Following data is missing in the question

Product   Market Share  Growth Rate  Sales  Attractiveness

Laptop          1.4                     5%             30%        Low

CD Player    0.8                     8%             18%         Low

Wristband    0.7                     15%           22%    Medium to High

Smartphone 1.4                     18%           30%       High

answerdemographic;

answer(b) revenue account which increases;