The figure below indicates a possible picture of a theoretical universe with two separate observers within it.Which of the following statements describes this universe? 
Definitions:
Productivity Increase
A rise in the output of goods and services produced per unit of input, often due to improvements in technology, processes, or efficiency.
Marginal Revenue Product Curve
A graph showing the additional revenue generated by employing one more unit of a resource.
Factor of Production
An input used in the production of goods or services, such as labor, land, capital, and entrepreneurship.
Factor of Production
An input used in the production of goods or services, such as land, labor, capital, and entrepreneurship.
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