Mary has an absolute advantage in baking cakes.
A person has comparative advantage in production if it produces at a lower opportunity cost when compared to other people. According to economic theory, a person should specialise in the production of the good for which they have a comparative production in.
A person has absolute advantage in the production of a good or service if it produces more quantity of a good when compared to other people using the same quantity and quality of resources.
The concept of absolute advantage and comparative advantage was introduced by Adam Smith, a Scottish economist in 1776 when he used them to describe international trade.
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