By Rob Wile 
Source: NBC News

The price of groceries continued to soar in the 12 months that ended in August, climbing by 13.5% — the biggest increase since 1979.

Many food categories had double-digit 12-month increases, led by eggs, which surged by 40%; margarine, up by 38%; and flour, which jumped by 23%.

In its latest monthly food price outlook, the Agriculture Department said factors across the economy, including supply chain issues and higher energy, transportation and labor costs, have contributed to increases in prices across food categories.

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