A vibrant cartoon with colours and smooth animation. Create a 30-second vertical 9:16 YouTube Short for a USA audience. Make it a cute 3D cartoon story with smooth animation. Main character: a cute small golden-brown puppy wearing a blue hoodie and small backpack. Keep the same puppy appearance in every scene. Story: A little puppy has only one dollar. He wants to buy a birthday gift for his best friend. He enters a colorful toy store and sees a beautiful teddy bear, but it costs ten dollars. The puppy feels sad because he only has one dollar. A kind shopkeeper sees him and gives him the teddy bear for free. The puppy becomes very happy and gives the teddy bear to his best friend. His friend hugs him. At the end, the puppy looks funny and whispers: "Can I have my one dollar back?" Use a natural American English AI voice. Add automatic English subtitles. Add cute emotional background music and a funny sound at the ending. Use expressive cartoon faces, smooth camera movement and colorful scenes. Make it entertaining and suitable for YouTube Shorts. Use only original cartoon characters and copyright-safe music.