In terms of sales and market share, Rexona is the number one brand of deodorant worldwide. Since its creation in Australia in 1908, it has added an antiperspirant, a stick deodorant, Rexona for Men, Rexona for Women, Rexona for Teens, and Rexona Skin Friendly. These additions are examples of:
a) product line extensions
b) product portfolio width adjustments
c) product item contractions
d) SBU expansions
e) product mix widths
Answer: A