Simplify the following text for a Grade 11 native English-speaking person.
Original: For example , a shop might give away its stock in its promotion , but producing these goods would still have required the use of scarce resources , so this would not be a free good in an economic sense .
Simplified: For example , a shop might give away its stock in its promotion , but for the production of these goods , resources were needed , so this would not be a free good in an economic sense .