Convert to rectangular coordinates. Use exact values. 
Definitions:
Prices
The financial sum anticipated, obligatory, or presented in exchange for an item.
Stagflation
An economic condition characterized by slow economic growth, high unemployment, and rising prices (inflation).
Economy
The organized system of human activity involved in the production, consumption, and distribution of goods and services in a particular geographic or political area.
Economic Contraction
A decline in national output as measured by GDP, often marked by a decrease in spending, investment, and general economic activity.
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