import pandas as pd
import numpy as np
import matplotlib.pyplot as plt

data = {
    "branch": ["Atlanta", "Boston", "Chicago", "Dallas",
               "Denver", "Houston", "Miami", "Nashville",
               "Phoenix", "Portland", "Seattle", "Tampa"],
    "revenue_usd": [142000, 198000, 175000, 161000,
                    134000, 189000, 210000, 123000,
                    155000, 168000, 202000, 139000],
    "units_sold": [940, 1280, 1105, 1020,
                   870, 1190, 1340, 790,
                   985, 1060, 1295, 855],
    "return_rate_pct": [3.1, 2.4, 2.9, 4.2,
                        3.8, 2.1, 1.9, 5.1,
                        3.4, 2.7, 2.2, 4.6]
}

df = pd.DataFrame(data)
print(df.head())