(Figure: Biscuits and Cookies PPFs) Looking at Greg and Melissa's production possibilities frontiers (PPFs) , what production and trade situation would allow both Greg and Melissa to consume a combination of biscuits and cookies outside their PPF? 
Definitions:
Procedural Memory
The type of long-term memory responsible for knowing how to do things, also known as muscle memory, enabling tasks without conscious thought.
Capacity For Storing
The ability or potential to hold, retain, or contain information, substances, or elements.
Long-Term Memories
Memories that can last from anywhere to a few days to a whole lifetime, encompassing a vast amount of information.
Context-Dependent Question
A query that requires understanding of the situation or context in which it is asked in order to be answered correctly.
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