Inflation

"Hehe, there's no need to be so formal, Mr. Weasley," Tierra said with a smile. "As long as your whole family, Hermione, and Harry all go traveling, even if you don't let Ron come, he'll cry and make a fuss until he can go with you."

"And this is a good thing, too," Tierra continued. "I won't have you write for nothing. I'll compile the travel reports you write, along with their contents about local customs, policies, technological development, and modern historical developments, into a travelogue-style novel for publication."

"I believe that, given the Wizarding World's limited horizons, this book will definitely sell well," Tierra said. "When the time comes, the royalties will be split twenty-eighty. Twenty percent will be donated to the Hogwarts student aid fund, while you can freely dispose of the remaining eighty percent. How does that sound?"

"That's wonderful! Tierra, that's absolutely wonderful!" Arthur Weasley was stunned for a moment before coming to his senses. "No, no, Tierra, you're the one providing the funds for our travels. Is it really appropriate for us to take eighty percent of the royalties?"

"Haha, Mr. Weasley, you're too polite! What's inappropriate about it?" Tierra said, smiling as he waved a hand. "The travel funds I provide are merely a small investment on my part. I'm not expecting any returns from them."

"Besides, what we're giving you is Muggle money from various countries, not Galleons from our Wizarding World," he continued. "I don't mind the royalty split. It's perfectly reasonable for you to freely dispose of eighty percent. After all, you are the protagonists of the journey. Only your experiences and observations can make this book vivid and interesting."

"And don't forget, I confiscated the entire Gringotts vault," Tierra continued. "What we should be worrying about now isn't money, but