IN 2018, Rutledge's, a 54-year-old classic men's clothing store in Colorado Springs, Colo., sold a healthy 35 neckties a month. In 2020, that number has dipped to just 15. In an interview, the store's vice president Luke Faricy joked that when he recently compared those sales figures, he "cried a little bit." Ties were once an easyto-sell accessory for Rutledge's, with locals and tourists alike snatching them up. Today, neckwear sits largely ignored on the sales floor. .During the pandemic year, oh-so-casual Zoom shirts leapfrogged corporate attire. Interest in the necktiealready waning in recent decadeswas nearly extinguished. Seigo Katsuragawa, the proprietor of Seigo, a beloved, tie-focused store on Manhattan's Upper East Side, said this past year was the worst in his company's 30-year history. "9/11 was bad," he said, but it was nothing like this. Although some of his favorite customers have told Mr. Katsuragawa they just don't wear ties anymore. "They're dressed up in T-shirts and polo shirts," not ties, he said, sounding more than a bit wounded.

Does this information indicate a change in demand OR a change in quantity demanded? Does this information indicate a change in supply OR a change in quantity supplied? Can you provide a graph that would show the changes?