Comment: You did well. The only thing

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You did well. The only thing

You did well. The only thing I might add is how the printing of dollars devalues each dollar. This part might be a bit complex for a 7 year old though. Maybe start the example as : imagine if there were only 10 dollar bills on earth, and you wanted to buy product x, how much wold you be willing to spend... now imagine there are 1,000,000,000 now how much are you willing to spend. willing to spend=price.