[originaltext] (3)Nowadays, about 15 percent of Americans will buy costumes

(3)Nowadays, about 15 percent of Americans will buy costumes for their pet dogs. Time magazine reports that more people are purchasing Halloween costumes for their dogs—up 24 percent since 2010.(4)Spending has increased by 40 percent in the past two years. Go online, and you can buy a Robin Hood outfit for your dog, or a Wonder Woman dog costume, or a cow costume. The outfits come in various sizes. Purchase a large one for your Mastiff or a small one for your Chihuahua. They cost as little as $ 7.80 or as much as $ 300. In Hollywood, pet costumes for movie characters and celebrities are popular. Some dogs are dressed as Edward Scissorhands or Kim Kardashian, reported Entertainment Weekly. In New York, Jimmy Kimmel, the late-night television host, held a dog costume parade on his show.
3. What is the news report mainly about?
4. What can we learn about spending on costumes for dogs?