Alka-Seltzer was made originally as a hangover remedy that cured the headache and settled the stomach. Today, you can buy Original Alka-Seltzer, Extra Strength Alka-Seltzer, Alka-Seltzer Morning Relief (for morning headaches and fatigue), and Alka-Seltzer Heartburn Relief. Each Alka-Seltzer product has a unique formulation to relieve a specific malady that makes them more specialized than competing products. The maker of Alka-Seltzer is using
A. product variation.
B. product differentiation.
C. market sectioning.
D. product segmentation.
E. product base development.
Answer: B. product variation