A company wants to locate a new warehouse to minimize the distance traveled by its delivery trucks. It has four stores and their coordinates are listed in the accompanying spreadsheet. Which cell(s) in the spreadsheet represent the decision variables in the problem? 
Definitions:
Price Level
An index that measures the average prices of goods and services in an economy at a given time.
Budget Deficit
A budget deficit occurs when a government's expenditures exceed its revenues over a specified period, leading to a need for borrowing or using saved reserves.
Energy Prices
The cost of purchasing energy sources such as oil, gas, coal, and electricity, which can fluctuate based on demand, supply, geopolitical stability, and environmental policies.
Economic Contraction
A decline in national output as measured by GDP, often leading to higher unemployment and lower spending.
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