Answer should be less than 5 sentences

Often, after a brand begins to slip in the marketplace or disappears altogether, commentators observe, "all brands have their day. " Their rationale is that all brands, in some sense, have a finite life and cannot be expected to be leaders forever. Other experts contend, however, that brands can live forever, and their long-term success depends on the skill and insight of the marketers involved. WHICH ONE DO YOU BELIEVE IS TRUE? a. Brands cannot be expected to last forever b. There is no reason for a brand to ever become obsolete