Find the divergence of the vector field. 
Definitions:
Higher Inflation
An economic condition characterized by a significant increase in prices and a decrease in the purchasing value of money.
Annual Output
The aggregate sum of products and services generated by an economy or company within a single year.
Standard of Living
A measure of the economic welfare and the quality of life of a population, based on income, employment, class disparity, poverty rate, and housing affordability.
Productivity
The efficiency of production measured by the output per unit of input.
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