Competition on "Trivial Risk" is keen, and the daily championship is often decided on the "Ultimate Risk" category that ends the program. During this round, the con­testants wager any or all of their day's winnings on their ability to answer a trivia ques­tion on a specific subject. Last week, a different champion was crowned on each of the five shows that aired Monday through Friday, and in each case that champion won the game by being the only contestant able to answer the "Ultimate Risk" question correctly. Each champion won a different amount of money. From this information and the clues, determine the full name of each champion (one first name is Cathy), the category that helped each winner triumph, the amount of money each won, and the order in which the five won their games.
1. Mr. Gonzalez won the championship the day before Aithea, who won her game before the person who gave the correct answer in African history.
2. Monday's champion won $2,000 more than Brian, who won $2,000 more than the person who correctly answered the TV Commercials of the Past question. Jones won $2,000 more than Foster. (Note: All five champions are listed in this clue.)
3. Eric won $1,000 more than Thursday's winner. Ives won more money than the person who answered the question on inorganic chemistry. (Note: Four different people are mentioned in this clue.)
4. The five daily champions were David, Jones, the woman who answered the ques­tion about Italian opera, the person who won $11,000, and Friday's winner.
5. The person who correctly answered the question about the American Revolution, who didn't win on Monday, won earlier in the week than the one surnamed Han.
6. Both Althea and Foster are schoolteachers.
7. Both Eric and Han (who didn't answer the questions about TV commercials or African history) read an encyclopedia before competing on the show.

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THE SOLUTION

M.: Cathy Ives, opera, $15,000, T: Eric Gonzalez, commercials, $11,000, W: Althea Jones, Revolution, $12,000, TH: David Foster, African history, $10,000, F: Brian Han, chemistry, $13,000