Which of these facts were mentioned in the advertisement?

• The app provides a lot of visual information.
• The app may help parents avoid some problems.
• The app helps children understand the concept of saving up.
• Parents find it important to explain to kids that they have to earn their money.
• Young children might need help to use the app properly.
• The app notifies parents if their children go over the spending limit.
• The app is based on the most up-to-date principles of money management.