The law of increasing opportunity cost is reflected in the shape of the production possibilities curve concave to the origin (option A).
The production possibilities curve depicts the various combination of two goods a company can produce when all its resources are fully utilised.
The production possibilities curve is concave to the origin. This means that as more quantities of a product is produced, the fewer resources it has available to produce another good. As a result, less of the other product would be produced. So, the opportunity cost of producing a good increase as more and more of that good is produced.
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